如何在列表理解python中构建两个for循环 [英] How to frame two for loops in list comprehension python

问题描述

我有两个列表如下

tags = [u'man', u'you', u'are', u'awesome']
entries = [[u'man', u'thats'],[ u'right',u'awesome']]

我想从 entries 中提取位于 tags 中的条目:

I want to extract entries from entries when they are in tags:

result = []

for tag in tags:
    for entry in entries:
        if tag in entry:
            result.extend(entry)

如何将这两个循环编写为单行列表推导式?

How can I write the two loops as a single line list comprehension?

推荐答案

应该这样做:

[entry for tag in tags for entry in entries if tag in entry]

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