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python100

python1.py

python1.py 532 Bytes

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zhangweizhi authored 2016年06月04日 15:16 +08:00 . the 100 theme

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#!usr/bin/env python
# -*- coding: utf-8 -*-

"""
题目:有1、2、3、4个数字,能组成多少个互不相同且无重复数字的三位数?都是多少?
程序分析:可填在百位、十位、个位的数字都是1、2、3、4。组成所有的排列后再去 掉不满足条件的排列。
程序源代码:
"""

for bai in range(1,5):#python都是左开右闭,所以是(1,5)
 for shi in range(1,5):
 	for ge in range(1,5):
 		if (bai != shi) and (shi != ge) and (bai != ge):
 			print bai,shi,ge