how to unpack a nested list in Python

Question

How to unpack a list, which is nested inside another list. Practically to transform this:

l=['aa','bb',['ccc','ddd'],'ee']

to

l=['aa','bb','ccc','ddd','ee']

possible duplicate of Flatten (an irregular) list of lists in Python — embert
– embert, Commented Mar 9, 2014 at 18:13

Community · Accepted Answer · 2017-05-23 12:13:10Z

1

See this thread and e. g. the solution of elqott

>>> from compiler.ast import flatten
>>> l = ['1','2',['3','4'],'5'] 
>>> flatten(l)

Following your edit

['1', '2', '3', '4', '5']
>>> l = ['aa','bb',['ccc','ddd'],'ee'] 
>>> flatten(l)
['aa', 'bb', 'ccc', 'ddd', 'ee']

CommunityBot

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answered Mar 9, 2014 at 18:12

embert

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