python u开头的乱码怎么解决

#!/usr/bin/python
# -*- coding: UTF-8 -*-
from collections import OrderedDict
from pyexcel_xls import get_data
from pyexcel_xls import save_data
import redis
def read_xls_file():
    xls_data = get_data(r"test.xlsx")
    print "Get data type:", type(xls_data)
    conn = redis.Redis()
    for key in xls_data['sheet1']:
        key = str(key).decode("unicode_escape").encode("utf8")
        print key
        key = key.lstrip()
        key = key.rstrip()
        # conn.set(key, key)

if __name__ == '__main__':
    read_xls_file()