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2020-12-23 阅读量: 12587
python报错:SyntaxError: expression cannot contain assignment, perhaps you meant “==”?

问:

python报错:SyntaxError: expression cannot contain assignment, perhaps you meant “==”?


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答:

这是因为python中不允许常量被赋值,否则将会造成python对象混淆,例如把4赋值给b,

那么1+4将无法确定是数字+数字还是数字+b

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