UnicodeEncodeError: 'charmap' codec

# !/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
import pycontrol.pycontrol as pc
import time
import csv
import ssl
import xlrd

def read_excel(a):
   wb=xlrd.open_workbook(filename=a) #打开文件
   print wb.sheet_names() ##获取所有表格名字
   for x in wb.sheet_names():
       print x
read_excel('test.xlsx')

[u'u6d4bu8bd5u9875aaa', u'u6d4bu8bd5u9875bbb', u'Sheet3']
Traceback (most recent call last):
  File "t1.py", line 15, in <module>
    read_excel('test.xlsx')
  File "t1.py", line 14, in read_excel
    print x
  File "C:Python27libencodingscp437.py", line 12, in encode
    return codecs.charmap_encode(input,errors,encoding_map)
UnicodeEncodeError: 'charmap' codec can't encode characters in position 0-2: character maps to <undefined>


解决 print x.encode('utf-8');