Python 缩进
Python 缩进
缩进指的是代码行开头的空格。
在其他编程语言中，代码缩进只是为了可读性，而在 Python 中，缩进非常重要。
Python 使用缩进来指示代码块。
如果你跳过缩进，Python 会报错。
空格的数量由你作为程序员决定，但至少要有一个。
在同一个代码块中，你必须使用相同数量的空格，否则 Python 会报错。
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