Function sortBy

recipes/Python/117237_Anagram_Fetcher/recipe-117237.py:20–23

(list, n)

# sort a list by a given field
def sortBy(list, n):
	nlist = map(lambda x, n=n: (x[n], x), list)
	nlist.sort()
	return map(lambda (key, x): x, nlist)  
 
if ( len(sys.argv) != 2 ):
	print "You must pass one input file to this program. That file"