如何从两个列表中找到匹配项? [英] How to find match items from two lists?

问题描述

可能的重复:
Python:如何找到列表交集?

我在 .txt 中有两个数据列表

I have two lists of data in a .txt

data1 = "name1", "name2", "name3", "name4" etc.

data2 = "name3", "name6", "name10" etc.

我想找出哪些名字出现在两个列表中我该怎么做?

I want to find out which names appears in both list How would I do it?

推荐答案

使用 集合:

set(data1) & set(data2)

& 运算符的意思是给我这两个集合的交集"；或者你可以使用 .intersection 方法:

The & operator means "give me the intersection of these two sets"; alternatively you can use the .intersection method:

set(data1).intersection(data2)

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