python u开头的字符串乱码怎么解决

#!/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()