python把字符串转化为数字

在Python中，有几种方法可以将字符串转换为数字。其中，使用int()函数是一种常用的方法。当字符串只包含数字字符时，可以直接使用int()函数将其转换为整数。例如，假设有一个字符串str_num = "123"，可以使用int()函数将其转换为整数num = int(str_num)，结果为123。，结果为。<span class="em">1</span><span class="em">2</span>
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