全局变量报错 UnboundLocalError: local variable 'todayPrice' referenced before assignment
2018-03-05 08:52
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在函数中可以访问外部的全局变量,但不能修改,否则会将其视为一个局部变量,一旦修改之后使用这个变量就会因为没有定义赋值这个局部变量而报错.
解决方案,在函数内用global语句引用该变量.
解决方案,在函数内用global语句引用该变量.
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