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join list of lists in python

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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answered Oct 17, 2021 by 深蓝 (71.8m points)

import itertools
a = [['a','b'], ['c']]
print(list(itertools.chain.from_iterable(a)))

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