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Python Day1 作业

作业二:编写登陆接口

  • 输入用户名密码
  • 认证成功后显示欢迎信息
  • 输错三次后锁定

FlowChart:

技术分享

代码:

#!usr/bin/env python# -*- coding:utf-8 -*-# Author: Wayne Zhonguser = ‘Wayne‘pwd = ‘123465‘f = open(‘status.txt‘)if f.read() == ‘Y‘:    for i in range(3):        username = input(‘Input username:‘)        password = input(‘Input password:‘)        if username == user and password == pwd:            print(‘Welcome login.‘)            break        else:            print(‘User invalid.‘)    else:        f = open(‘status.txt‘,‘w‘)        f.write(‘N‘)        print(‘3 times wrong input, account is blocked.‘)else:    print(‘Account is blocked.‘)

  

作业三:多级菜单
  • 三级菜单
  • 可依次选择进入各子菜单
  • 所需新知识点:列表、字典

Flowchart:

技术分享

代码:

#!usr/bin/env python# -*- coding:utf-8 -*-# Author: Wayne Zhongcity_dict = {    ‘1.北京‘:{        ‘(1)朝阳‘ : [‘1.白静‘, ‘2.邹清‘, ‘3.群众‘],        ‘(2)海淀‘ : [‘1.张佳‘, ‘2.王迪‘, ‘3.学霸‘],        ‘(3)大兴‘ : [‘1.尹伟‘, ‘2.苏慧‘, ‘3.金良‘]    },    ‘2.上海‘:{        ‘(1)浦东‘ : [‘1.Andy‘, ‘2.黄渊‘, ‘3.蒋一‘],        ‘(2)徐汇‘ : [‘1.马伟‘, ‘2.高成‘, ‘3.吴成‘],        ‘(3)宝山‘ : [‘1.刘松‘, ‘2.王丹‘, ‘3.祥子‘]    },    ‘3.深圳‘:{        ‘(1)罗湖‘ : [‘1.陈建‘, ‘2.范志‘, ‘3.刘洋‘],        ‘(2)南山‘ : [‘1.邓明‘, ‘2.黄灿‘, ‘3.陆坤‘],        ‘(3)宝安‘ : [‘1.范波‘, ‘2.李松‘, ‘3.王瑶‘]    },    ‘4.西安‘:{        ‘(1)长安‘ : [‘1.陈琳‘, ‘2.Meth‘, ‘3.何潇‘],        ‘(2)雁塔‘ : [‘1.段佳‘, ‘2.邱力‘, ‘3.杨龙‘],        ‘(3)未央‘ : [‘1.光圈‘, ‘2.王盼‘, ‘3.孙欢‘]    }}def district():    while(1):        d = []        # print (city_dict[city].keys())        print(‘%s 有以下区县:‘ % city)        for i in sorted(city_dict[city].keys()):            print(i)  # 将district按行输出            d.append(i)  # 将district按列表排列,放入d列表中        # print(d)        district_No = input(‘请输入需查询区县的编号:(后退:b  退出:q)‘)        print(‘---------------------------------------------------------‘)        if district_No == ‘q‘:            print(‘查询结束‘)            exit()        elif district_No == ‘b‘:            break        else:            for i in d:                if district_No in i:                    district = i                    print(‘%s 有这些朋友:‘% district)                    for j in city_dict[city][district]:                        print (j)                    print(‘---------------------------------------------------------‘)                    goon = input(‘查询完成,继续?(Y:继续  其他:结束)‘)                    if goon == ‘Y‘:                        break                    else:                        print(‘查询结束‘)                        exit()            else:                print(‘区县编号输入错误,请重新输入‘)while(1):    c = []    d = []    for i in sorted(city_dict.keys()):  #        print (i)  # 将city按行输出        c.append(i)  # 将city按列表排列,放入c列表中    #print (c)    city_No = input(‘请输入需查询城市的编号:(退出:q)‘)    print(‘---------------------------------------------------------‘)    if city_No == ‘q‘:  # 如果输入q,则退出        print(‘查询结束‘)        break    else:  # 如果没有输入q        for i in c:  # 遍历c列表中的城市            #print (i)            if city_No in i:  # 如果输入的city_No在遍历的某城市i中                city = i  # 把i赋值给city                district()                #print(i)                break        else:            print(‘城市编号输入错误,请重新输入‘)  # 如果输入的city_No不在遍历的城市中,重新输入并返回

  

Python Day1 作业