l1 = ("yellow", "green", "blue", "purple") l2 = ("long", "short") #counts the combinations that can be lade from the items in l1 and the items in l2 def comb_count (list1,list2): count = 0 for item in l1: for item in l2: count += 1 return count #lists the combinations made from l1 and l2abs() def combination_list(list1,list2): combinations = " " for item1 in l1: for item2 in l2: combinations = combinations + str(item1) + " " + str(item2) + ", " return combinations #calculates the permutations of n things taken from a set of size m def permutation_count(m, n): count = 1 while m >= n: count = count * m m = m-1 return count print comb_count(l1,l2) print combination_list(l1,l2) print permutation_count(15,3)
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