正则二维码字帖
xiaozi 2014-11-24 22:38:00
python 中,应当避免参数默认值使用list或dict等,因为默认参数会在函数定义的时候就被初始化。
# encoding: utf-8 def hello(someone = {}): print(someone); someone['name'] = 'aa' if __name__ == '__main__': hello() hello()
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