[python第五课]构造程序逻辑

#coding:utf-8
import random
while True:
    xuanze=int(input("请输入您想进入的题目: 1、水仙花数 2、百钱百鸡 4、退出 (请输入您的数字)"))

    if xuanze == 1:
        print("水仙花数")
        while True:
            while True:
                n=int(input("请输入一个三位数"))
                if n>100 and n<999:
                    break
                else:
                    print("您输入的数字不是三位数,请再次输入")
            print("输入成功 下面数位分离")
            n_gewei=int(n%10)
            n_baiwei=int(n/100)
            n_shiwei=int(n_baiwei%10)
            print("百位:"+str(n_baiwei)+" 十位:"+str(n_shiwei)+" 个位:"+str(n_gewei))
            jisuan=n_gewei^3+n_shiwei^3+n_baiwei^3
            if jisuan==n:
                print(str(n)+"这个数是水仙花数")
            else:
                print(str(n)+"这个数不是水仙花数")
            tuichu=int(input("请问是否想退出: 1、退出 2、继续 (输入数字):"))
            if tuichu==1:
                break
            if tuichu==2:
                continue

    if xuanze == 2:
        while True:
            print("百钱百鸡 价格: 公鸡:5元/只 母鸡:3元/只 小鸡:1元/只 用n元买")
            n_money=int(input("请输入您的零钱:"))
            for i in range(int(n_money/5)):
                for j in range(int(n_money/3)):
                    for k in range(int(n_money/1)):
                        if 5*i + 3*j + 1*k ==n_money:
                            print("公鸡:"+str(i)+"母鸡"+str(j)+"小鸡"+str(k))
            tuichu_1=int(input("请问是否想退出: 1、退出 2、继续 (输入数字):"))
            if tuichu_1 == 1:
                break
            if tuichu_1 == 2:
                continue

    if xuanze == 4:
        break

原文地址:https://www.cnblogs.com/XiaoHongLactasoy/p/12610068.html