<pre><pre><section mpa-from-tpl="t"><p style="text-align: center;"><img class="rich_pages" data-ratio="0.14157303370786517" data-type="gif" data-w="890" style="" src="https://www.zkxjob.com/wp-content/uploads/2022/07/wxsync-2022-07-691e4257a0538d7c86665dc12e3d4706.gif" /></p><section style="margin-left: 8px;margin-right: 8px;"><img class="rich_pages" data-ratio="0.40309278350515465" data-s="300,640" data-type="png" data-w="1940" style="letter-spacing: 0.544px;" src="https://www.zkxjob.com/wp-content/uploads/2022/07/wxsync-2022-07-ab229528f014c984d696d698c8b31e9f.png" /></section><p style="text-align: left;"><br /></p></section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;">lis = [<span style="color: rgb(174, 129, 255);">56</span>,<span style="color: rgb(174, 129, 255);">12</span>,<span style="color: rgb(174, 129, 255);">1</span>,<span style="color: rgb(174, 129, 255);">8</span>,<span style="color: rgb(174, 129, 255);">354</span>,<span style="color: rgb(174, 129, 255);">10</span>,<span style="color: rgb(174, 129, 255);">100</span>,<span style="color: rgb(174, 129, 255);">34</span>,<span style="color: rgb(174, 129, 255);">56</span>,<span style="color: rgb(174, 129, 255);">7</span>,<span style="color: rgb(174, 129, 255);">23</span>,<span style="color: rgb(174, 129, 255);">456</span>,<span style="color: rgb(174, 129, 255);">234</span>,-<span style="color: rgb(174, 129, 255);">58</span>]<br /><br /><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">sortport</span><span style="color: rgb(248, 248, 242);">()</span>:</span><br /> <span style="color: rgb(249, 38, 114);">for</span> i <span style="color: rgb(249, 38, 114);">in</span> range(len(lis)-<span style="color: rgb(174, 129, 255);">1</span>):<br /> <span style="color: rgb(249, 38, 114);">for</span> j <span style="color: rgb(249, 38, 114);">in</span> range(len(lis)-<span style="color: rgb(174, 129, 255);">1</span>-i):<br /> <span style="color: rgb(249, 38, 114);">if</span> lis[j]>lis[j+<span style="color: rgb(174, 129, 255);">1</span>]:<br /> lis[j],lis[j+<span style="color: rgb(174, 129, 255);">1</span>] = lis[j+<span style="color: rgb(174, 129, 255);">1</span>],lis[j]<br /> <span style="color: rgb(249, 38, 114);">return</span> lis<br /><span style="color: rgb(249, 38, 114);">if</span> __name__ == <span style="color: rgb(230, 219, 116);">'__main__'</span>:<br /> sortport()<br /> print(lis)</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">power</span><span style="color: rgb(248, 248, 242);">(x, n)</span>:</span><br /> s = <span style="color: rgb(174, 129, 255);">1</span><br /> <span style="color: rgb(249, 38, 114);">while</span> n > <span style="color: rgb(174, 129, 255);">0</span>:<br /> n = n - <span style="color: rgb(174, 129, 255);">1</span><br /> s = s * x<br /> <span style="color: rgb(249, 38, 114);">return</span> s</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;">print(power(<span style="color: rgb(174, 129, 255);">2</span>,<span style="color: rgb(174, 129, 255);">4</span>))</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">calc</span><span style="color: rgb(248, 248, 242);">(*numbers)</span>:</span><br /> sum=<span style="color: rgb(174, 129, 255);">0</span><br /> <span style="color: rgb(249, 38, 114);">for</span> n <span style="color: rgb(249, 38, 114);">in</span> numbers:<br /> sum=sum+n*n<br /> <span style="color: rgb(249, 38, 114);">return</span> sum<br />print(calc(<span style="color: rgb(174, 129, 255);">2</span>,<span style="color: rgb(174, 129, 255);">4</span>,<span style="color: rgb(174, 129, 255);">5</span>))</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(117, 113, 94);">#方法一</span><br /><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">fac</span><span style="color: rgb(248, 248, 242);">()</span>:</span><br /> num = int(input(<span style="color: rgb(230, 219, 116);">"请输入一个数字："</span>))<br /> factorial = <span style="color: rgb(174, 129, 255);">1</span><br /> <span style="color: rgb(117, 113, 94);">#查看数字是负数，0或者正数</span><br /> <span style="color: rgb(249, 38, 114);">if</span> num<<span style="color: rgb(174, 129, 255);">0</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"抱歉，负数没有阶乘"</span>)<br /> <span style="color: rgb(249, 38, 114);">elif</span> num == <span style="color: rgb(174, 129, 255);">0</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"0的阶乘为1"</span>)<br /> <span style="color: rgb(249, 38, 114);">else</span>:<br /> <span style="color: rgb(249, 38, 114);">for</span> i <span style="color: rgb(249, 38, 114);">in</span> range(<span style="color: rgb(174, 129, 255);">1</span>,num+<span style="color: rgb(174, 129, 255);">1</span>):<br /> factorial = factorial*i<br /> print(<span style="color: rgb(230, 219, 116);">"%d的阶乘为%d"</span>%(num,factorial))<br /><span style="color: rgb(249, 38, 114);">if</span> __name__ == <span style="color: rgb(230, 219, 116);">'__main__'</span>:<br /> fac()<br /> <br /><br /><span style="color: rgb(117, 113, 94);">#方法二</span><br /><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">fac</span><span style="color: rgb(248, 248, 242);">()</span>:</span><br /> num = int(input(<span style="color: rgb(230, 219, 116);">"请输入一个数字："</span>))<br /> <span style="color: rgb(117, 113, 94);">#查看数字是负数，0或者正数</span><br /> <span style="color: rgb(249, 38, 114);">if</span> num<<span style="color: rgb(174, 129, 255);">0</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"抱歉，负数没有阶乘"</span>)<br /> <span style="color: rgb(249, 38, 114);">elif</span> num == <span style="color: rgb(174, 129, 255);">0</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"0的阶乘为1"</span>)<br /> <span style="color: rgb(249, 38, 114);">else</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"%d的阶乘为%d"</span>%(num,factorial(num)))<br /><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">factorial</span><span style="color: rgb(248, 248, 242);">(n)</span>:</span><br /> result = n<br /> <span style="color: rgb(249, 38, 114);">for</span> i <span style="color: rgb(249, 38, 114);">in</span> range(<span style="color: rgb(174, 129, 255);">1</span>,n):<br /> result=result*i<br /> <span style="color: rgb(249, 38, 114);">return</span> result<br /><br /><span style="color: rgb(249, 38, 114);">if</span> __name__ == <span style="color: rgb(230, 219, 116);">'__main__'</span>:<br /> fac()<br /><br /><br /><span style="color: rgb(117, 113, 94);">#方法三</span><br /><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">fac</span><span style="color: rgb(248, 248, 242);">()</span>:</span><br /> num = int(input(<span style="color: rgb(230, 219, 116);">"请输入一个数字："</span>))<br /> <span style="color: rgb(117, 113, 94);">#查看数字是负数，0或者正数</span><br /> <span style="color: rgb(249, 38, 114);">if</span> num<<span style="color: rgb(174, 129, 255);">0</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"抱歉，负数没有阶乘"</span>)<br /> <span style="color: rgb(249, 38, 114);">elif</span> num == <span style="color: rgb(174, 129, 255);">0</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"0的阶乘为1"</span>)<br /> <span style="color: rgb(249, 38, 114);">else</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"%d的阶乘为%d"</span>%(num,fact(num)))<br /><br /><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">fact</span><span style="color: rgb(248, 248, 242);">(n)</span>:</span><br /> <span style="color: rgb(249, 38, 114);">if</span> n == <span style="color: rgb(174, 129, 255);">1</span>:<br /> <span style="color: rgb(249, 38, 114);">return</span> <span style="color: rgb(174, 129, 255);">1</span><br /> <span style="color: rgb(249, 38, 114);">return</span> n * fact(n - <span style="color: rgb(174, 129, 255);">1</span>)<br /><br /><span style="color: rgb(249, 38, 114);">if</span> __name__ == <span style="color: rgb(230, 219, 116);">'__main__'</span>:<br /> fac()</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(249, 38, 114);">import</span> os<br /><br /><span style="color: rgb(249, 38, 114);">for</span> d <span style="color: rgb(249, 38, 114);">in</span> os.listdir(<span style="color: rgb(230, 219, 116);">'.'</span>):<br /> print(d)</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;">[d <span style="color: rgb(249, 38, 114);">for</span> d <span style="color: rgb(249, 38, 114);">in</span> os.listdir(<span style="color: rgb(230, 219, 116);">'.'</span>)]</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;">L = [<span style="color: rgb(230, 219, 116);">'Hello'</span>,<span style="color: rgb(230, 219, 116);">'World'</span>,<span style="color: rgb(230, 219, 116);">'IBM'</span>,<span style="color: rgb(230, 219, 116);">'Apple'</span>]<br /><br /><span style="color: rgb(249, 38, 114);">for</span> s <span style="color: rgb(249, 38, 114);">in</span> L:<br /> s=s.lower()<br /> print(s) <span style="color: rgb(117, 113, 94);">#将list中每个字符串都变成小写，返回每个字符串</span></section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;">L = [<span style="color: rgb(230, 219, 116);">'Hello'</span>,<span style="color: rgb(230, 219, 116);">'World'</span>,<span style="color: rgb(230, 219, 116);">'IBM'</span>,<span style="color: rgb(230, 219, 116);">'Apple'</span>]<br />print([s.lower() <span style="color: rgb(249, 38, 114);">for</span> s <span style="color: rgb(249, 38, 114);">in</span> L])<span style="color: rgb(117, 113, 94);">#整个list所有字符串都变成小写，返回一个list</span></section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">print_dir</span><span style="color: rgb(248, 248, 242);">()</span>:</span><br /> filepath = input(<span style="color: rgb(230, 219, 116);">"请输入一个路径："</span>)<br /> <span style="color: rgb(249, 38, 114);">if</span> filepath == <span style="color: rgb(230, 219, 116);">""</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"请输入正确的路径"</span>)<br /> <span style="color: rgb(249, 38, 114);">else</span>:<br /> <span style="color: rgb(249, 38, 114);">for</span> i <span style="color: rgb(249, 38, 114);">in</span> os.listdir(filepath): <span style="color: rgb(117, 113, 94);">#获取目录中的文件及子目录列表</span><br /> print(os.path.join(filepath,i)) <span style="color: rgb(117, 113, 94);">#把路径组合起来</span><br /><br />print(print_dir())</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">show_dir</span><span style="color: rgb(248, 248, 242);">(filepath)</span>:</span><br /> <span style="color: rgb(249, 38, 114);">for</span> i <span style="color: rgb(249, 38, 114);">in</span> os.listdir(filepath):<br /> path = (os.path.join(filepath, i))<br /> print(path)<br /> <span style="color: rgb(249, 38, 114);">if</span> os.path.isdir(path): <span style="color: rgb(117, 113, 94);">#isdir()判断是否是目录</span><br /> show_dir(path) <span style="color: rgb(117, 113, 94);">#如果是目录，使用递归方法</span><br /><br />filepath = <span style="color: rgb(230, 219, 116);">"C:Program FilesInternet Explorer"</span><br />show_dir(filepath)</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">print_dir</span><span style="color: rgb(248, 248, 242);">(filepath)</span>:</span><br /> <span style="color: rgb(249, 38, 114);">for</span> i <span style="color: rgb(249, 38, 114);">in</span> os.listdir(filepath):<br /> path = os.path.join(filepath, i)<br /> <span style="color: rgb(249, 38, 114);">if</span> os.path.isdir(path):<br /> print_dir(path)<br /> <span style="color: rgb(249, 38, 114);">if</span> path.endswith(<span style="color: rgb(230, 219, 116);">".html"</span>):<br /> print(path)<br /><br />filepath = <span style="color: rgb(230, 219, 116);">"E:PycharmProjects"</span><br />print_dir(filepath)</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;">dict1 = {<span style="color: rgb(230, 219, 116);">"A"</span>:<span style="color: rgb(230, 219, 116);">"a"</span>,<span style="color: rgb(230, 219, 116);">"B"</span>:<span style="color: rgb(230, 219, 116);">"b"</span>,<span style="color: rgb(230, 219, 116);">"C"</span>:<span style="color: rgb(230, 219, 116);">"c"</span>}<br />dict2 = {y:x <span style="color: rgb(249, 38, 114);">for</span> x,y <span style="color: rgb(249, 38, 114);">in</span> dict1.items()}<br />print(dict2)<br /><span style="color: rgb(117, 113, 94);">#输出结果为{'a': 'A', 'b': 'B', 'c': 'C'}</span></section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(249, 38, 114);">for</span> i <span style="color: rgb(249, 38, 114);">in</span> range(<span style="color: rgb(174, 129, 255);">1</span>,<span style="color: rgb(174, 129, 255);">10</span>):<br /> <span style="color: rgb(249, 38, 114);">for</span> j <span style="color: rgb(249, 38, 114);">in</span> range(<span style="color: rgb(174, 129, 255);">1</span>,i+<span style="color: rgb(174, 129, 255);">1</span>):<br /> print(<span style="color: rgb(230, 219, 116);">'%d x %d = %d t'</span>%(j,i,i*j),end=<span style="color: rgb(230, 219, 116);">''</span>) <span style="color: rgb(117, 113, 94);">#通过指定end参数的值，可以取消在末尾输出回车符，实现不换行。</span><br /> print()</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;">num = [<span style="color: rgb(230, 219, 116);">"harden"</span>,<span style="color: rgb(230, 219, 116);">"lampard"</span>,<span style="color: rgb(174, 129, 255);">3</span>,<span style="color: rgb(174, 129, 255);">34</span>,<span style="color: rgb(174, 129, 255);">45</span>,<span style="color: rgb(174, 129, 255);">56</span>,<span style="color: rgb(174, 129, 255);">76</span>,<span style="color: rgb(174, 129, 255);">87</span>,<span style="color: rgb(174, 129, 255);">78</span>,<span style="color: rgb(174, 129, 255);">45</span>,<span style="color: rgb(174, 129, 255);">3</span>,<span style="color: rgb(174, 129, 255);">3</span>,<span style="color: rgb(174, 129, 255);">3</span>,<span style="color: rgb(174, 129, 255);">87686</span>,<span style="color: rgb(174, 129, 255);">98</span>,<span style="color: rgb(174, 129, 255);">76</span>]<br />print(num.count(<span style="color: rgb(174, 129, 255);">3</span>))<br />print(num.index(<span style="color: rgb(174, 129, 255);">3</span>))<br /><span style="color: rgb(249, 38, 114);">for</span> i <span style="color: rgb(249, 38, 114);">in</span> range(num.count(<span style="color: rgb(174, 129, 255);">3</span>)): <span style="color: rgb(117, 113, 94);">#获取3出现的次数</span><br /> ele_index = num.index(<span style="color: rgb(174, 129, 255);">3</span>) <span style="color: rgb(117, 113, 94);">#获取首次3出现的坐标</span><br /> num[ele_index]=<span style="color: rgb(230, 219, 116);">"3a"</span> <span style="color: rgb(117, 113, 94);">#修改3为3a</span><br />print(num)</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;">L = [<span style="color: rgb(230, 219, 116);">"James"</span>,<span style="color: rgb(230, 219, 116);">"Meng"</span>,<span style="color: rgb(230, 219, 116);">"Xin"</span>]<br /><span style="color: rgb(249, 38, 114);">for</span> i <span style="color: rgb(249, 38, 114);">in</span> range(len(L)):<br /> print(<span style="color: rgb(230, 219, 116);">"Hello,%s"</span>%L[i])</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;">list1 = [<span style="color: rgb(174, 129, 255);">2</span>,<span style="color: rgb(174, 129, 255);">3</span>,<span style="color: rgb(174, 129, 255);">8</span>,<span style="color: rgb(174, 129, 255);">4</span>,<span style="color: rgb(174, 129, 255);">9</span>,<span style="color: rgb(174, 129, 255);">5</span>,<span style="color: rgb(174, 129, 255);">6</span>]<br />list2 = [<span style="color: rgb(174, 129, 255);">5</span>,<span style="color: rgb(174, 129, 255);">6</span>,<span style="color: rgb(174, 129, 255);">10</span>,<span style="color: rgb(174, 129, 255);">17</span>,<span style="color: rgb(174, 129, 255);">11</span>,<span style="color: rgb(174, 129, 255);">2</span>]<br />list3 = list1 + list2<br />print(list3) <span style="color: rgb(117, 113, 94);">#不去重只进行两个列表的组合</span><br />print(set(list3)) <span style="color: rgb(117, 113, 94);">#去重，类型为set需要转换成list</span><br />print(list(set(list3)))</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(249, 38, 114);">import</span> random<br />list1=[]<br /><span style="color: rgb(249, 38, 114);">for</span> i <span style="color: rgb(249, 38, 114);">in</span> range(<span style="color: rgb(174, 129, 255);">65</span>,<span style="color: rgb(174, 129, 255);">91</span>):<br /> list1.append(chr(i)) <span style="color: rgb(117, 113, 94);">#通过for循环遍历asii追加到空列表中</span><br /><span style="color: rgb(249, 38, 114);">for</span> j <span style="color: rgb(249, 38, 114);">in</span> range (<span style="color: rgb(174, 129, 255);">97</span>,<span style="color: rgb(174, 129, 255);">123</span>):<br /> list1.append(chr(j))<br /><span style="color: rgb(249, 38, 114);">for</span> k <span style="color: rgb(249, 38, 114);">in</span> range(<span style="color: rgb(174, 129, 255);">48</span>,<span style="color: rgb(174, 129, 255);">58</span>):<br /> list1.append(chr(k))<br />ma = random.sample(list1,<span style="color: rgb(174, 129, 255);">6</span>)<br />print(ma) <span style="color: rgb(117, 113, 94);">#获取到的为列表</span><br />ma = <span style="color: rgb(230, 219, 116);">''</span>.join(ma) <span style="color: rgb(117, 113, 94);">#将列表转化为字符串</span><br />print(ma)</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(249, 38, 114);">import</span> random,string<br />str1 = <span style="color: rgb(230, 219, 116);">"0123456789"</span><br />str2 = string.ascii_letters <span style="color: rgb(117, 113, 94);"># string.ascii_letters 包含所有字母（大写或小写）的字符串</span><br />str3 = str1+str2<br />ma1 = random.sample(str3,<span style="color: rgb(174, 129, 255);">6</span>) <span style="color: rgb(117, 113, 94);">#多个字符中选取特定数量的字符</span><br />ma1 = <span style="color: rgb(230, 219, 116);">''</span>.join(ma1) <span style="color: rgb(117, 113, 94);">#使用join拼接转换为字符串</span><br />print(ma1) <span style="color: rgb(117, 113, 94);">#通过引入string模块和random模块使用现有的方法</span></section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(117, 113, 94);">#随机数字小游戏</span><br /><span style="color: rgb(249, 38, 114);">import</span> random<br />i = <span style="color: rgb(174, 129, 255);">1</span><br />a = random.randint(<span style="color: rgb(174, 129, 255);">0</span>,<span style="color: rgb(174, 129, 255);">100</span>)<br />b = int( input(<span style="color: rgb(230, 219, 116);">'请输入0-100中的一个数字n然后查看是否与电脑一样：'</span>))<br /><span style="color: rgb(249, 38, 114);">while</span> a != b:<br /> <span style="color: rgb(249, 38, 114);">if</span> a > b:<br /> print(<span style="color: rgb(230, 219, 116);">'你第%d输入的数字小于电脑随机数字'</span>%i)<br /> b = int(input(<span style="color: rgb(230, 219, 116);">'请再次输入数字:'</span>))<br /> <span style="color: rgb(249, 38, 114);">else</span>:<br /> print(<span style="color: rgb(230, 219, 116);">'你第%d输入的数字大于电脑随机数字'</span>%i)<br /> b = int(input(<span style="color: rgb(230, 219, 116);">'请再次输入数字:'</span>))<br /> i+=<span style="color: rgb(174, 129, 255);">1</span><br /><span style="color: rgb(249, 38, 114);">else</span>:<br /> print(<span style="color: rgb(230, 219, 116);">'恭喜你，你第%d次输入的数字与电脑的随机数字%d一样'</span>%(i,b))</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;">num = float(input(<span style="color: rgb(230, 219, 116);">'请输入一个数字：'</span>))<br />num_sqrt = num ** <span style="color: rgb(174, 129, 255);">0.5</span><br />print(<span style="color: rgb(230, 219, 116);">'%0.2f 的平方根为%0.2f'</span>%(num,num_sqrt))</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(117, 113, 94);">#方法一</span><br /><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">is_number</span><span style="color: rgb(248, 248, 242);">(s)</span>:</span><br /> <span style="color: rgb(249, 38, 114);">try</span>:<br /> float(s)<br /> <span style="color: rgb(249, 38, 114);">return</span> <span style="color: rgb(249, 38, 114);">True</span><br /> <span style="color: rgb(249, 38, 114);">except</span> ValueError:<br /> <span style="color: rgb(249, 38, 114);">pass</span><br /> <span style="color: rgb(249, 38, 114);">try</span>:<br /> <span style="color: rgb(249, 38, 114);">import</span> unicodedata<br /> unicodedata.numeric(s)<br /> <span style="color: rgb(249, 38, 114);">return</span> <span style="color: rgb(249, 38, 114);">True</span><br /> <span style="color: rgb(249, 38, 114);">except</span>(TypeError,ValueError):<br /> <span style="color: rgb(249, 38, 114);">pass</span><br /> <span style="color: rgb(249, 38, 114);">return</span> <span style="color: rgb(249, 38, 114);">False</span><br />t=<span style="color: rgb(230, 219, 116);">"a12d3"</span><br />print(is_number(t))<br /><br /><br /><span style="color: rgb(117, 113, 94);">#方法二</span><br />t = <span style="color: rgb(230, 219, 116);">"q123"</span><br />print(t.isdigit()) <span style="color: rgb(117, 113, 94);">#检测字符串是否只由数字组成</span><br /> <br /><br /><span style="color: rgb(117, 113, 94);">#方法三</span><br />t = <span style="color: rgb(230, 219, 116);">"123"</span><br />print(t.isnumeric()) <span style="color: rgb(117, 113, 94);">#检测字符串是否只由数字组成,这种方法是只针对unicode对象</span></section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(117, 113, 94);">#方法一</span><br />num = int(input(<span style="color: rgb(230, 219, 116);">'请输入一个数字：'</span>))<br /><span style="color: rgb(249, 38, 114);">if</span> (num % <span style="color: rgb(174, 129, 255);">2</span>) == <span style="color: rgb(174, 129, 255);">0</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"{0}是偶数"</span>.format(num))<br /><span style="color: rgb(249, 38, 114);">else</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"{0}是奇数"</span>.format(num))<br /> <br /><br /><span style="color: rgb(117, 113, 94);">#方法二</span><br /><span style="color: rgb(249, 38, 114);">while</span> <span style="color: rgb(249, 38, 114);">True</span>:<br /> <span style="color: rgb(249, 38, 114);">try</span>:<br /> num = int(input(<span style="color: rgb(230, 219, 116);">'请输入一个整数：'</span>)) <span style="color: rgb(117, 113, 94);">#判断输入是否为整数，不是纯数字需要重新输入</span><br /> <span style="color: rgb(249, 38, 114);">except</span> ValueError:<br /> print(<span style="color: rgb(230, 219, 116);">"输入的不是整数！"</span>)<br /> <span style="color: rgb(249, 38, 114);">continue</span><br /> <span style="color: rgb(249, 38, 114);">if</span> (num % <span style="color: rgb(174, 129, 255);">2</span>) == <span style="color: rgb(174, 129, 255);">0</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"{0}是偶数"</span>.format(num))<br /> <span style="color: rgb(249, 38, 114);">else</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"{0}是奇数"</span>.format(num))<br /> <span style="color: rgb(249, 38, 114);">break</span></section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(117, 113, 94);">#方法一</span><br />year = int(input(<span style="color: rgb(230, 219, 116);">"请输入一个年份："</span>))<br /><span style="color: rgb(249, 38, 114);">if</span> (year % <span style="color: rgb(174, 129, 255);">4</span>) == <span style="color: rgb(174, 129, 255);">0</span>:<br /> <span style="color: rgb(249, 38, 114);">if</span> (year % <span style="color: rgb(174, 129, 255);">100</span>) == <span style="color: rgb(174, 129, 255);">0</span>:<br /> <span style="color: rgb(249, 38, 114);">if</span>(year % <span style="color: rgb(174, 129, 255);">400</span>) ==<span style="color: rgb(174, 129, 255);">0</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"{0}是闰年"</span>.format(year)) <span style="color: rgb(117, 113, 94);">#整百年能被400整除的是闰年</span><br /> <span style="color: rgb(249, 38, 114);">else</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"{0}不是闰年"</span>.format(year))<br /> <span style="color: rgb(249, 38, 114);">else</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"{0}是闰年"</span>.format(year)) <span style="color: rgb(117, 113, 94);">#非整百年能被4整除的为闰年</span><br /><span style="color: rgb(249, 38, 114);">else</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"{0}不是闰年"</span>.format(year))<br /> <br /><br /><span style="color: rgb(117, 113, 94);">#方法二</span><br />year = int(input(<span style="color: rgb(230, 219, 116);">"请输入一个年份："</span>))<br /><span style="color: rgb(249, 38, 114);">if</span> (year % <span style="color: rgb(174, 129, 255);">4</span>) == <span style="color: rgb(174, 129, 255);">0</span> <span style="color: rgb(249, 38, 114);">and</span> (year % <span style="color: rgb(174, 129, 255);">100</span>)!=<span style="color: rgb(174, 129, 255);">0</span> <span style="color: rgb(249, 38, 114);">or</span> (year % <span style="color: rgb(174, 129, 255);">400</span>) == <span style="color: rgb(174, 129, 255);">0</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"{0}是闰年"</span>.format(year))<br /><span style="color: rgb(249, 38, 114);">else</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"{0}不是闰年"</span>.format(year))<br /> <br /><br /><span style="color: rgb(117, 113, 94);">#方法三</span><br /><span style="color: rgb(249, 38, 114);">import</span> calendar<br />year = int(input(<span style="color: rgb(230, 219, 116);">"请输入年份："</span>))<br />check_year=calendar.isleap(year)<br /><span style="color: rgb(249, 38, 114);">if</span> check_year == <span style="color: rgb(249, 38, 114);">True</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"%d是闰年"</span>%year)<br /><span style="color: rgb(249, 38, 114);">else</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"%d是平年"</span>%year)</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;">N = int(input(<span style="color: rgb(230, 219, 116);">'输入需要对比大小的数字的个数：'</span>))<br />print(<span style="color: rgb(230, 219, 116);">"请输入需要对比的数字："</span>)<br />num = []<br /><span style="color: rgb(249, 38, 114);">for</span> i <span style="color: rgb(249, 38, 114);">in</span> range(<span style="color: rgb(174, 129, 255);">1</span>,N+<span style="color: rgb(174, 129, 255);">1</span>):<br /> temp = int(input(<span style="color: rgb(230, 219, 116);">'请输入第%d个数字：'</span>%i))<br /> num.append(temp)<br />print(<span style="color: rgb(230, 219, 116);">'您输入的数字为：'</span>,num)<br />print(<span style="color: rgb(230, 219, 116);">'最大值为：'</span>,max(num))<br /> <br /><br />N = int(input(<span style="color: rgb(230, 219, 116);">'输入需要对比大小的数字的个数：n'</span>))<br />num = [int(input(<span style="color: rgb(230, 219, 116);">'请输入第%d个数字：n'</span>%i))<span style="color: rgb(249, 38, 114);">for</span> i <span style="color: rgb(249, 38, 114);">in</span> range(<span style="color: rgb(174, 129, 255);">1</span>,N+<span style="color: rgb(174, 129, 255);">1</span>)]<br />print(<span style="color: rgb(230, 219, 116);">'您输入的数字为：'</span>,num)<br />print(<span style="color: rgb(230, 219, 116);">'最大值为：'</span>,max(num))</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(117, 113, 94);"># 判断输入的值是否合法</span><br /><span style="color: rgb(249, 38, 114);">if</span> nterms <= <span style="color: rgb(174, 129, 255);">0</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"请输入一个正整数。"</span>)<br /><span style="color: rgb(249, 38, 114);">elif</span> nterms == <span style="color: rgb(174, 129, 255);">1</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"斐波那契数列："</span>)<br /> print(n1)<br /><span style="color: rgb(249, 38, 114);">else</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"斐波那契数列："</span>)<br /> print(n1, <span style="color: rgb(230, 219, 116);">","</span>, n2, end=<span style="color: rgb(230, 219, 116);">" , "</span>)<br /> <span style="color: rgb(249, 38, 114);">while</span> count < nterms:<br /> nth = n1 + n2<br /> print(n1+n2, end=<span style="color: rgb(230, 219, 116);">" , "</span>)<br /> <span style="color: rgb(117, 113, 94);"># 更新值</span><br /> n1 = n2<br /> n2 = nth<br /> count += <span style="color: rgb(174, 129, 255);">1</span></section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(117, 113, 94);"># 获取输入十进制数</span><br />dec = int(input(<span style="color: rgb(230, 219, 116);">"输入数字："</span>))<br /><br />print(<span style="color: rgb(230, 219, 116);">"十进制数为："</span>, dec)<br />print(<span style="color: rgb(230, 219, 116);">"转换为二进制为："</span>, bin(dec))<br />print(<span style="color: rgb(230, 219, 116);">"转换为八进制为："</span>, oct(dec))<br />print(<span style="color: rgb(230, 219, 116);">"转换为十六进制为："</span>, hex(dec))</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">hcf</span><span style="color: rgb(248, 248, 242);">(x, y)</span>:</span><br /> <span style="color: rgb(230, 219, 116);">"""该函数返回两个数的最大公约数"""</span><br /><br /> <span style="color: rgb(117, 113, 94);"># 获取最小值</span><br /> <span style="color: rgb(249, 38, 114);">if</span> x > y:<br /> smaller = y<br /> <span style="color: rgb(249, 38, 114);">else</span>:<br /> smaller = x<br /><br /> <span style="color: rgb(249, 38, 114);">for</span> i <span style="color: rgb(249, 38, 114);">in</span> range(<span style="color: rgb(174, 129, 255);">1</span>, smaller + <span style="color: rgb(174, 129, 255);">1</span>):<br /> <span style="color: rgb(249, 38, 114);">if</span> ((x % i == <span style="color: rgb(174, 129, 255);">0</span>) <span style="color: rgb(249, 38, 114);">and</span> (y % i == <span style="color: rgb(174, 129, 255);">0</span>)):<br /> hcf = i<br /><br /> <span style="color: rgb(249, 38, 114);">return</span> hcf<br /><br /><span style="color: rgb(117, 113, 94);"># 用户输入两个数字</span><br />num1 = int(input(<span style="color: rgb(230, 219, 116);">"输入第一个数字: "</span>))<br />num2 = int(input(<span style="color: rgb(230, 219, 116);">"输入第二个数字: "</span>))<br /><br />print(num1, <span style="color: rgb(230, 219, 116);">"和"</span>, num2, <span style="color: rgb(230, 219, 116);">"的最大公约数为"</span>, hcf(num1, num2))</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(117, 113, 94);"># 定义函数</span><br /><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">lcm</span><span style="color: rgb(248, 248, 242);">(x, y)</span>:</span><br /><br /> <span style="color: rgb(117, 113, 94);"># 获取最大的数</span><br /> <span style="color: rgb(249, 38, 114);">if</span> x > y:<br /> greater = x<br /> <span style="color: rgb(249, 38, 114);">else</span>:<br /> greater = y<br /><br /> <span style="color: rgb(249, 38, 114);">while</span>(<span style="color: rgb(249, 38, 114);">True</span>):<br /> <span style="color: rgb(249, 38, 114);">if</span>((greater % x == <span style="color: rgb(174, 129, 255);">0</span>) <span style="color: rgb(249, 38, 114);">and</span> (greater % y == <span style="color: rgb(174, 129, 255);">0</span>)):<br /> lcm = greater<br /> <span style="color: rgb(249, 38, 114);">break</span><br /> greater += <span style="color: rgb(174, 129, 255);">1</span><br /><br /> <span style="color: rgb(249, 38, 114);">return</span> lcm<br /><br /><span style="color: rgb(117, 113, 94);"># 获取用户输入</span><br />num1 = int(input(<span style="color: rgb(230, 219, 116);">"输入第一个数字: "</span>))<br />num2 = int(input(<span style="color: rgb(230, 219, 116);">"输入第二个数字: "</span>))<br /><br />print( num1,<span style="color: rgb(230, 219, 116);">"和"</span>, num2,<span style="color: rgb(230, 219, 116);">"的最小公倍数为"</span>, lcm(num1, num2))</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(117, 113, 94);"># 定义函数</span><br /><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">add</span><span style="color: rgb(248, 248, 242);">(x, y)</span>:</span><br /> <span style="color: rgb(230, 219, 116);">"""相加"""</span><br /> <span style="color: rgb(249, 38, 114);">return</span> x + y<br /><br /><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">subtract</span><span style="color: rgb(248, 248, 242);">(x, y)</span>:</span><br /> <span style="color: rgb(230, 219, 116);">"""相减"""</span><br /> <span style="color: rgb(249, 38, 114);">return</span> x - y<br /><br /><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">multiply</span><span style="color: rgb(248, 248, 242);">(x, y)</span>:</span><br /> <span style="color: rgb(230, 219, 116);">"""相乘"""</span><br /> <span style="color: rgb(249, 38, 114);">return</span> x * y<br /><br /><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">divide</span><span style="color: rgb(248, 248, 242);">(x, y)</span>:</span><br /> <span style="color: rgb(230, 219, 116);">"""相除"""</span><br /> <span style="color: rgb(249, 38, 114);">return</span> x / y<br /><br /><span style="color: rgb(117, 113, 94);"># 用户输入</span><br />print(<span style="color: rgb(230, 219, 116);">"选择运算："</span>)<br />print(<span style="color: rgb(230, 219, 116);">"1、相加"</span>)<br />print(<span style="color: rgb(230, 219, 116);">"2、相减"</span>)<br />print(<span style="color: rgb(230, 219, 116);">"3、相乘"</span>)<br />print(<span style="color: rgb(230, 219, 116);">"4、相除"</span>)<br /><br />choice = input(<span style="color: rgb(230, 219, 116);">"输入你的选择(1/2/3/4):"</span>)<br /><br />num1 = int(input(<span style="color: rgb(230, 219, 116);">"输入第一个数字: "</span>))<br />num2 = int(input(<span style="color: rgb(230, 219, 116);">"输入第二个数字: "</span>))<br /><br /><span style="color: rgb(249, 38, 114);">if</span> choice == <span style="color: rgb(230, 219, 116);">'1'</span>:<br /> print(num1, <span style="color: rgb(230, 219, 116);">"+"</span>, num2, <span style="color: rgb(230, 219, 116);">"="</span>, add(num1, num2))<br /><br /><span style="color: rgb(249, 38, 114);">elif</span> choice == <span style="color: rgb(230, 219, 116);">'2'</span>:<br /> print(num1, <span style="color: rgb(230, 219, 116);">"-"</span>, num2, <span style="color: rgb(230, 219, 116);">"="</span>, subtract(num1, num2))<br /><br /><span style="color: rgb(249, 38, 114);">elif</span> choice == <span style="color: rgb(230, 219, 116);">'3'</span>:<br /> print(num1, <span style="color: rgb(230, 219, 116);">"*"</span>, num2, <span style="color: rgb(230, 219, 116);">"="</span>, multiply(num1, num2))<br /><br /><span style="color: rgb(249, 38, 114);">elif</span> choice == <span style="color: rgb(230, 219, 116);">'4'</span>:<br /> <span style="color: rgb(249, 38, 114);">if</span> num2 != <span style="color: rgb(174, 129, 255);">0</span>:<br /> print(num1, <span style="color: rgb(230, 219, 116);">"/"</span>, num2, <span style="color: rgb(230, 219, 116);">"="</span>, divide(num1, num2))<br /> <span style="color: rgb(249, 38, 114);">else</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"分母不能为0"</span>)<br /><span style="color: rgb(249, 38, 114);">else</span>:<br /> print(<span style="color: rgb(230, 219, 116);">"非法输入"</span>)</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(117, 113, 94);"># 引入日历模块</span><br /><span style="color: rgb(249, 38, 114);">import</span> calendar<br /><br /><span style="color: rgb(117, 113, 94);"># 输入指定年月</span><br />yy = int(input(<span style="color: rgb(230, 219, 116);">"输入年份: "</span>))<br />mm = int(input(<span style="color: rgb(230, 219, 116);">"输入月份: "</span>))<br /><br /><span style="color: rgb(117, 113, 94);"># 显示日历</span><br />print(calendar.month(yy, mm))</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(117, 113, 94);"># 写文件</span><br /><span style="color: rgb(249, 38, 114);">with</span> open(<span style="color: rgb(230, 219, 116);">"test.txt"</span>, <span style="color: rgb(230, 219, 116);">"wt"</span>) <span style="color: rgb(249, 38, 114);">as</span> out_file:<br /> out_file.write(<span style="color: rgb(230, 219, 116);">"该文本会写入到文件中n看到我了吧！"</span>)<br /><br /><span style="color: rgb(117, 113, 94);"># Read a file</span><br /><span style="color: rgb(249, 38, 114);">with</span> open(<span style="color: rgb(230, 219, 116);">"test.txt"</span>, <span style="color: rgb(230, 219, 116);">"rt"</span>) <span style="color: rgb(249, 38, 114);">as</span> in_file:<br /> text = in_file.read()<br /><br />print(text)</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(117, 113, 94);"># 测试实例一</span><br />print(<span style="color: rgb(230, 219, 116);">"测试实例一"</span>)<br />str = <span style="color: rgb(230, 219, 116);">"runoob.com"</span><br />print(str.isalnum()) <span style="color: rgb(117, 113, 94);"># 判断所有字符都是数字或者字母</span><br />print(str.isalpha()) <span style="color: rgb(117, 113, 94);"># 判断所有字符都是字母</span><br />print(str.isdigit()) <span style="color: rgb(117, 113, 94);"># 判断所有字符都是数字</span><br />print(str.islower()) <span style="color: rgb(117, 113, 94);"># 判断所有字符都是小写</span><br />print(str.isupper()) <span style="color: rgb(117, 113, 94);"># 判断所有字符都是大写</span><br />print(str.istitle()) <span style="color: rgb(117, 113, 94);"># 判断所有单词都是首字母大写，像标题</span><br />print(str.isspace()) <span style="color: rgb(117, 113, 94);"># 判断所有字符都是空白字符、t、n、r</span><br /><br />print(<span style="color: rgb(230, 219, 116);">"------------------------"</span>)<br /><br /><span style="color: rgb(117, 113, 94);"># 测试实例二</span><br />print(<span style="color: rgb(230, 219, 116);">"测试实例二"</span>)<br />str = <span style="color: rgb(230, 219, 116);">"Bake corN"</span><br />print(str.isalnum()) <br />print(str.isalpha()) <br />print(str.isdigit()) <br />print(str.islower()) <br />print(str.isupper()) <br />print(str.istitle()) <br />print(str.isspace())</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;">str = <span style="color: rgb(230, 219, 116);">"https://www.cnblogs.com/ailiailan/"</span><br />print(str.upper()) <span style="color: rgb(117, 113, 94);"># 把所有字符中的小写字母转换成大写字母</span><br />print(str.lower()) <span style="color: rgb(117, 113, 94);"># 把所有字符中的大写字母转换成小写字母</span><br />print(str.capitalize()) <span style="color: rgb(117, 113, 94);"># 把第一个字母转化为大写字母，其余小写</span><br />print(str.title()) <span style="color: rgb(117, 113, 94);"># 把每个单词的第一个字母转化为大写，其余小写</span></section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(249, 38, 114);">import</span> calendar<br />monthRange = calendar.monthrange(<span style="color: rgb(174, 129, 255);">2016</span>,<span style="color: rgb(174, 129, 255);">9</span>)<br />print(monthRange)</section><section style="padding: 0.5em;white-space: pre-wrap;font-size: 0.85em;font-family: Consolas, Inconsolata, Courier, monospace;overflow: auto;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(204, 204, 204);background: rgb(35, 36, 31);text-size-adjust: none;color: rgb(248, 248, 242);margin-left: 8px;margin-right: 8px;display: block !important;"><span style="color: rgb(117, 113, 94);"># 引入 datetime 模块</span><br /><span style="color: rgb(249, 38, 114);">import</span> datetime<br /><span style="color: rgb(249, 38, 114);"><span style="color: rgb(102, 217, 239);">def</span> <span style="color: rgb(166, 226, 46);">getYesterday</span><span style="color: rgb(248, 248, 242);">()</span>:</span> <br /> today=datetime.date.today() <br /> oneday=datetime.timedelta(days=<span style="color: rgb(174, 129, 255);">1</span>) <br /> yesterday=today-oneday <br /> <span style="color: rgb(249, 38, 114);">return</span> yesterday<br /><br /><span style="color: rgb(117, 113, 94);"># 输出</span><br />print(getYesterday())</section><h1><pre data-darkmode-bgcolor="rgb(36, 36, 36)" data-style="max-width: 100%; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); font-size: 16px; text-size-adjust: auto; text-align: center; box-sizing: border-box !important; overflow-wrap: break-word !important; color: rgba(230, 230, 230, 0.9) !important;" data-darkmode-color="rgba(230, 230, 230, 0.9)" data-darkmode-original-color="rgba(230, 230, 230, 0.9)" data-darkmode-original-bgcolor="rgb(255, 255, 255)" data-darkmode-bgcolor-15862411819306="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15862411819306="rgb(255, 255, 255)" data-darkmode-color-15862411819306="rgba(230, 230, 230, 0.9)" data-darkmode-original-color-15862411819306="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-15862671987026="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15862671987026="rgb(255, 255, 255)" data-darkmode-color-15862671987026="rgba(230, 230, 230, 0.9)" data-darkmode-original-color-15862671987026="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-15864118999603="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15864118999603="rgb(255, 255, 255)" data-darkmode-color-15864118999603="rgba(230, 230, 230, 0.9)" data-darkmode-original-color-15864118999603="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-15864940858736="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15864940858736="rgb(255, 255, 255)" data-darkmode-color-15864940858736="rgba(230, 230, 230, 0.9)" data-darkmode-original-color-15864940858736="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-15869584691402="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15869584691402="rgb(255, 255, 255)" data-darkmode-color-15869584691402="rgba(230, 230, 230, 0.9)" data-darkmode-original-color-15869584691402="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-15869584691739="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15869584691739="rgb(255, 255, 255)" data-darkmode-color-15869584691739="rgba(230, 230, 230, 0.9)" data-darkmode-original-color-15869584691739="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-15873005456075="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15873005456075="rgb(255, 255, 255)" data-darkmode-color-15873005456075="rgba(230, 230, 230, 0.9)" data-darkmode-original-color-15873005456075="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-15873005456615="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15873005456615="rgb(255, 255, 255)" data-darkmode-color-15873005456615="rgba(230, 230, 230, 0.9)" data-darkmode-original-color-15873005456615="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-15886839320558="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15886839320558="rgb(255, 255, 255)" data-darkmode-color-15886839320558="rgba(230, 230, 230, 0.9)" data-darkmode-original-color-15886839320558="rgba(230, 230, 230, 0.9)"><pre><pre><pre><pre><pre><pre><pre><pre><pre><pre><pre><pre><pre><pre><pre><pre style="font-size: 16px;text-align: left;color: rgb(86, 86, 86);letter-spacing: 1px;"><section style="padding-right: 0em;padding-left: 0em;white-space: normal;letter-spacing: 0.544px;color: rgb(62, 62, 62);font-family: "Helvetica Neue", Helvetica, "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;widows: 1;word-spacing: 2px;caret-color: rgb(255, 0, 0);text-align: center;margin-left: 8px;margin-right: 8px;"><br /></section><section data-brushtype="text" style="padding-right: 0em;padding-left: 0em;white-space: normal;letter-spacing: 0.544px;color: rgb(62, 62, 62);font-family: "Helvetica Neue", Helvetica, "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;widows: 1;word-spacing: 2px;caret-color: rgb(255, 0, 0);text-align: center;"><strong style="color: rgb(0, 0, 0);font-family: -apple-system-font, system-ui, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;letter-spacing: 0.544px;"><span style="letter-spacing: 0.5px;font-size: 14px;"><strong style="font-size: 16px;letter-spacing: 0.544px;"><span style="letter-spacing: 0.5px;">—</span></strong>完<strong style="font-size: 16px;letter-spacing: 0.544px;"><span style="letter-spacing: 0.5px;font-size: 14px;"><strong style="font-size: 16px;letter-spacing: 0.544px;"><span style="letter-spacing: 0.5px;">—</span></strong></span></strong></span></strong></section><pre><pre><section style="letter-spacing: 0.544px;white-space: normal;font-family: -apple-system-font, system-ui, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;"><section powered-by="xiumi.us"><section style="margin-top: 15px;margin-bottom: 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