如何检查元组或列表中的所有元素是否都在另一个元素中? [英] How to check if all elements in a tuple or list are in another?

问题描述

例如，我要检查元组(1, 2)中的每个元素是否在元组(1, 2, 3, 4, 5)中. 我不认为使用循环是实现此目标的好方法，我认为它可以一行完成.

For example, I want to check every elements in tuple (1, 2) are in tuple (1, 2, 3, 4, 5). I don't think use loop is a good way to do it, I think it could be done in one line.

推荐答案

您可以使用 set.issuperset 检查一个元组或列表中的每个元素是否都在另一个元素中.

You can use set.issubset or set.issuperset to check if every element in one tuple or list is in other.

>>> tuple1 = (1, 2)
>>> tuple2 = (1, 2, 3, 4, 5)
>>> set(tuple1).issubset(tuple2)
True
>>> set(tuple2).issuperset(tuple1)
True

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