python作业

python作业

  • Day1作业

    • 作业一：编写登录接口
      • 输入用户名密码
      • 认证成功后显示欢迎信息
      • 输入三次错误后锁定用户

 1 import sys
 2 
 3 locking = ('login/locking.txt')
 4 login = ('login/login.txt')
 5 
 6 def main():
 7     count_min = 0
 8     count_max = 3
 9 
10     while count_min < count_max:
11         username = input("请输入用户名：")                     # 引导用户输入用户名
12         with open(locking, 'r') as locking_file:              # 打开记载锁定用户的文件
13             for line in locking_file.readlines():
14                 if username == line.strip('\n'):               # 判断用户是否在锁定的用户文件里
15                     sys.exit('%s用户已经被锁定。。。' % username)
16 
17         password = input("请输入用户密码：")                    # 引导用户输入密码
18         with open(login, 'r') as login_file:
19             for line in login_file.readlines():
20                 user,passwd = line.strip('\n').split()         # 对记载用户名和密码的文件进行格式化并且分别赋值给user和passwd
21                 flog = False                                   # 定义一个变量
22                 if username == user and password == passwd:    # 判断用户名密码是否正确
23                     print("登陆成功！")
24                     flog = True                                # 对赋值的变量进行修改已保证退出程序
25                     break
26             if flog == False:
27                 if count_min < 2:
28                     print("用户名密码错误，请重新输入！")
29                 else:
30                     lock(username)                             # 输入错误三次则把用户加入锁定文件
31                 count_min += 1
32             else:
33                 break
34 
35 def lock(username):
36     with open(locking, 'a') as locking_file:
37         locking_file.write(username)
38         locking_file.write('\n')
39 
40 if __name__ == '__main__':
41     main()
login Code
    • 作业二：多级菜单
      • 三级菜单
      • 可以依次选择进入各自菜单
      • b：返回上层菜单
      • q：退出程序

 

 1 import sys
 2 
 3 dic = {'河北省':{'辛集市':['平山县','井陉县','栾城县','正定县',],'晋州市':['迁西县','滦南县','玉田县','唐海县','乐亭县',],'邯郸市':['邯郸县','永年县','曲周县','馆陶县',]},'山西省':{'太原市':['平顺县','襄垣县','沁源县','屯留县',],'古交市':['泽州县','陵川县','阳城县','沁水县',]}}
 4 
 5 def help(command):          # 打印帮助文档
 6         print ('''
 7                 i   进入菜单
 8                 b   返回上层菜单
 9                 q   退出程序
10             xxxxx   输入省市县全称进入下一级
11             ''')
12 
13 def province(command):      # 打印第一级菜单
14     province = dic.keys()
15     i = 1
16     for province in province:
17         print(str(i) + '.' + province)
18         i += 1
19 
20 def city(command):          # 打印第二级菜单
21     city = dic.get(command)
22     i = 1
23     for city in city.keys():
24         print(str(i) + '.' + city)
25         i += 1
26 
27 def county(command):        # 打印第三级菜单
28     county = city_dic.get(command)
29     # print(county)
30     i = 1
31     for county in county:
32         print(str(i) + '.' + county)
33         i += 1
34 
35 def q(command):
36     sys.exit('欢迎下次查询')
37 
38 def main():
39     print ('''
40         帮助命令help
41         ''')
42     while True:
43         command = input("province > ")     # 引导用户输入
44         if command in 'help' or command == '?':
45             help(command)
46         elif command == 'i':
47             province(command)
48             while True:
49                 li = list(dic.keys())
50                 command = input("city > ")
51                 # print(command)
52                 # print(type(command))
53                 if command == 'b':
54                     # print(1)
55                     break
56                 elif command == 'q':
57                     q(command)
58                 elif command in li:
59                     city(command)
60                     city_dic = dic.get(command)
61                     city_li = list(city_dic.keys())
62                     while True:
63                         command = input("county > ")
64                         # print(city_li)
65                         # print(command)
66                         global city_dic
67                         if command in city_li:
68                             county(command)
69                             # print(command)
70                         elif command == 'b':
71                             break
72                         elif command == 'q':
73                             q(command)
74                         elif len(command) == 0:
75                             continue
76                         else:
77                             print('输入错误，请重新输入')
78                             continue
79                 elif len(command) == 0:
80                     continue
81                 else:
82                     print('输入错误，请重新输入')
83                     continue
84         elif command == 'q':
85             q(command)
86         elif len(command) == 0:
87             continue
88         else:
89             print('输入错误，请重新输入。。。')
90 
91 if __name__ == '__main__':
92     main()
menu Code

 

posted @ 2016-12-26 13:59  Kevin_Ma_R  阅读(243)  评论(0)  编辑  收藏  举报