Recipe 577255 revision 1

# flattens a list eg. flatten(1, 2, ['b','a','c']) = [1, 2, 'a', 'b', 'c']
def flatten(*args):
	x = []
	for l in args:
		if not isinstance(l, (list, tuple)): l = [l]
		for item in l:
			if isinstance(item, (list,tuple)):
				x.extend(flatten(item))
			else:
				x.append(item)
	return x

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History

• revision 2 (13 years ago)
• revision 1 (13 years ago)