python判断字符串是否为空

代码

  • 变量为字符串类型(优雅的方式)
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if not string:
    print('not empty')
else:
    print('empty')
  • 变量类型不确定
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if string == '':
    print('not empty')
else:
    print('empty')

参考

  1. https://docs.python.org/2/library/stdtypes.html#truth-value-testing
  2. http://stackoverflow.com/questions/9573244/most-elegant-way-to-check-if-the-string-is-empty-in-python

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