Revision: 13775
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at May 6, 2009 04:34 by iamok
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''' Use sum() on the outer list and prime it with an empty list, []. Python will concatenate the inner lists, producing a flattened list. More alternative on the URL ''' alist = [['a', 'b'], ['c'], ['d', 'e', 'f']] print sum(alist, []) -output- ['a', 'b', 'c', 'd', 'e', 'f']
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http://weblogs.asp.net/george_v_reilly/archive/2009/03/24/flattening-list-comprehensions-in-python.aspx
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flattening list
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python
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Python