python报错：module has no Attribute'***'

  今天在作xlrd读取excel文件练习时跳出一个错误,AttributeError:'module' object has no has no attribute 'open_workbook'python xlrd.py原码以下:函数 #!/usr/bin/pythonexcel #-*-coding:utf-8-*-utf-8 import xlrdimport filename=r'f:

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