如果自变量的结果满足条件，如何立即返回结果而不必重述自变量 [英] if result of argument satisfies a condition, how to return result immediately without having to restate the argument

问题描述

如何返回满足条件的参数结果而不必在return函数中重写参数.

how to return a result of an argument that satisfies a condition without having to rewrite the argument in the return function.

例如(长方法)

if a+b > c:
    return a+b

像这样的语法是否较短?

is there a shorter syntax in the likes of-

if a+b > c
    return ans

(在这种情况下为 ans == a + b )

通常，该参数比a + b复杂得多，因此省去了重新输入整个参数的麻烦

usually, the argument is much more complex than just a + b so it would save a lot of trouble retyping the entire argument

推荐答案

您可以使用海象"运算符:

You can use the "walrus" operator:

if (ans := a + b) > c:
    return ans

在最新的Python版本(3.8+)中.

in the latest Python version (3.8+).

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