Python实现三个数能组成多少个三位数

Question

如题所述

Answer 1

#!/usr/bin/python
# -*- coding:utf-8 -*-
# @File    : ThreeNum.py
"""
输入3个数,对三个数进行排列组合
"""


def percom(olist):
    import copy
    slist = []
    olen = len(olist)

    for i in range(olen):
        otemp = olist[i]
        slist.append(otemp*olen)
        temp = copy.deepcopy(olist)
        temp.remove(otemp)
        slist.append(otemp+temp[0]+temp[1])
        slist.append(otemp+temp[1]+temp[0])
    else:
        oset = set(slist)
        result = sorted(list(oset), reverse=True)
        counts = len(result)
        return counts, result

if __name__ == '__main__':
    alist = raw_input(u'请输入三个数字,以英文逗号相隔(2,3,4)：').split(',')
    print u'组合数为：{0}\n分别是：{1}'.format(percom(alist)[0], percom(alist)[1])