Lambda 函数（也称为匿名函数）是 Python 中的一项强大功能，允许您创建小型的一次性函数，而无需使用 def 关键字正式定义它们。它们被称为“lambda”，因为它们是使用 lambda 关键字定义的。 重要性和用例 Lambda ...

1 — 使用下划线 一个经常被忽视的技巧是在 Python 中使用下划线。使用下划线来保存先前计算的表达式的值。这在交互式环境中工作时非常方便。此外，还可以将下划线用作匿名变量，以在迭代期间忽略值。此外，下划线可以指示类中的私有成员，这是 ...

1. Python 中的运算符 今天，我们将探索运算符，它使我们能够执行数学运算，如加法、减法、乘法等。 1. 加法 （+） 加法用于对数字进行加法。 print(5 + 5)# Output: 10 2. 减法 （-） 减法用于计算数字之间的差值。

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