# -*- coding: UTF-8 -*-
b=[]
for i in range (1,5):
for j in range(1,5):
for k in range(1,5):
if(i != k) and (j != k ) and (i != j):
b.append([i,j,k])
print(i, j, k)
print(b)
print (len(b))原文：http://blog.51cto.com/4786257/2116879