Python 多行注释
多行注释
Python 并没有真正的多行注释语法。
要添加多行注释，可以在每一行前面插入一个 #
或者，不完全符合预期，可以使用多行字符串。
由于 Python 会忽略未分配给变量的字符串文字，因此可以在代码中添加多行字符串（三引号），并将注释放在其中。
只要字符串没有分配给变量，Python 就会读取代码，但随后会忽略它，这样就创建了一个多行注释。
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