python（ValueError: invalid literal for int() with base 10: 'abc' ‘1.0‘’’）强制类型转换...

int()函数只能转化数字组成的字符串，看例子：函数   >>> a='123' >>> int(a) 123 >>> b='abc' >>> int(b) Traceback (most recent call last): File "<stdin>", line 1, in <module> ValueError: invalid literal for int() wit

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