解决Python的str强转int时遇到的问题
数字字符串前后有空格没事:
>>> print(int(" 3 ")) 3
但是下面这种带小数点的情况是不可取的:
>>> print(int("3.0")) Traceback (most recent call last): File "<stdin>", line 1, in <module> ValueError: invalid literal for int() with base 10: '3.0'
这种字符串强转float没问题
>>> print(float("3.0")) 3.0
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