rioleo/lexicographic-permutations.py

## lexicographic-permutations.py
def permutations(li):
	""" Return all permutations of a given list.  This function
	assumes every element of the list is unique. """
	if len(li) <= 1:
		yield li
	else:
		for el in li:
			for p in permutations([e for e in li if e != el]):
				yield [el] + p

x = permutations([1, 2, 3, 4, 5])
	def permutations(li):
	""" Return all permutations of a given list. This function
	assumes every element of the list is unique. """
	if len(li) <= 1:
	yield li
	else:
	for el in li:
	for p in permutations([e for e in li if e != el]):
	yield [el] + p

	x = permutations([1, 2, 3, 4, 5])