对包含元组的元组进行排序 [英] Sorting a tuple that contains tuples

问题描述

我有以下元组，其中包含元组:

I have the following tuple, which contains tuples:

MY_TUPLE = (
    ('A','Apple'),
    ('C','Carrot'),
    ('B','Banana'),
)

我想根据内部元组中包含的 second 值对这个元组进行排序(即，排序 Apple、Carrot、Banana 而不是 A、B、C).

I'd like to sort this tuple based upon the second value contained in inner-tuples (i.e., sort Apple, Carrot, Banana rather than A, B, C).

有什么想法吗?

推荐答案

from operator import itemgetter

MY_SORTED_TUPLE = tuple(sorted(MY_TUPLE, key=itemgetter(1)))

或没有itemgetter:

MY_SORTED_TUPLE = tuple(sorted(MY_TUPLE, key=lambda item: item[1]))

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