test_python
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	aarwine
	Jun 5 2014, 12:00 AM

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test_python
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	#!/usr/bin/python2


	def commonInLists(listOfLists):
	# Input: List of lists
	# Output: Single list of common elements
	# Must take unknown number of lists
	if len(listOfLists) == 0:
	raise Exception('No.')
	elif len(listOfLists) == 1:
	return listOfLists[0]
	elif len(listOfLists) == 2:
	return list(set(listOfLists[0]).intersection(listOfLists[1]))
	elif len(listOfLists) > 2:
	result = set(listOfLists[0]).intersection(listOfLists[1])
	for i in range(2, len(listOfLists)):
	result = result.intersection(listOfLists[i])
	return result
	else:
	raise Exception('How did I get here?')

	a = ['1', '2', '3', '4', '5']
	b = ['2', '3', '4', '5', '6']
	c = ['3', '4', '5', '6', '7']
	d = ['4', '5', '6', '7', '8']

	foo = [a, b, c, d]

	print commonInLists(foo)