python列表理解到连接列表

Python list comprehension to join list of lists

本问题已经有最佳答案，请猛点这里访问。

以lists = [['hello'], ['world', 'foo', 'bar']]为例

如何将其转换为单个字符串列表？

combinedLists = ['hello', 'world', 'foo', 'bar']

1 2	lists = [['hello'], ['world', 'foo', 'bar']] combined = [item for sublist in lists for item in sublist]

或：＜／P >

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import itertools

lists = [['hello'], ['world', 'foo', 'bar']]
combined = list(itertools.chain.from_iterable(lists))