100 Python 题
2021-01-22 16:14
阅读：758
标签：iter int class lis list nbsp imp ons import 1. 100 Python 题 标签：iter int class lis list nbsp imp ons import 原文地址：https://www.cnblogs.com/hrunjie/p/12888447.html
list_num = [1, 2, 3, 4]
count = 0
for x in list_num:
for y in list_num:
for z in list_num:
if (x!=y and x!=z and y!=z):
count += 1
print(str(x)+str(y)+str(z))
print(‘total is %d‘%(count))
法二
import itertools
list_num = [1, 2, 3, 4]
for x in itertools.permutations(list_num,3):
print(x)
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