如何根据元组列表中的值对元组进行排序 [英] How to sort a tuple based on a value within the list of tuples

问题描述

在python中，我希望根据元组最后一个元素的值对元组进行排序.例如，我有一个如下所示的元组.

In python, I wish to sort tuples based on the value of their last element. For example, i have a tuple like the one below.

tuples = [(2,3),(5,7),(4,3,1),(6,3,5),(6,2),(8,9)]

排序后我希望采用这种格式.

which after sort I wish to be in this format.

tuples = [(4,3,1),(6,2),(2,3),(6,3,5),(5,7),(8,9)]

我该怎么做?

推荐答案

Povide list.sort 使用适当的键函数返回元组的最后一个元素:

Povide list.sort with an appropriate key function that returns the last element of a tuple:

tuples.sort(key=lambda x: x[-1])

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