day 1 作业

一、作业需求：1.编写登陆接口

　　　　　2.成功登陆后显示欢迎信息

                 3.输入三次错误，锁定账号

 1 username = "keven"
 2 password = "abc123"
 3 i = 0
 4 while i < 3:
 5     user_input=input("pls input your username：")
 6     pwd_input=input("pls input your password：")
 7     if user_input == username and pwd_input == password:
 8         print("wellcome {}".format(username))
 9         break
10     else:
11         print("username or password incorrect")
12         i += 1
13 else:
14     print("username locked")
 1 username = "keven"
 2 password = "abc123"
 3 i = 0
 4 while i < 3:
 5     user_input=input("pls input your username：")
 6     pwd_input=input("pls input your password：")
 7     if user_input == username and pwd_input == password:
 8         print("wellcome {}".format(username))
 9         break
10     else:
11         print("username or password incorrect")
12         i += 1
13 else:
14     print("username locked")
View Code

 

 二、作业要求：

　　1.三级菜单

      2.可以依次进入新菜单

 1 data={
 2     "a":{"a1":{"a11":["a111,a112"],
 3                "a12":["a121","a122"]
 4                },
 5          "a2":{"a21":["a211","a212"],
 6                "a22":["a221","a222"]},
 7     },
 8     "b":{
 9         "b1":{"b11":["b111,b112"],
10               "b12":["a121","a122"]},
11         "b2":{"b21":["b211","b212"],
12               "b22":["b221","b222"]},
13     },
14 }
15 print("操作说明：按 r 返回，按 q 退出")
16 exit_flag=1
17 while exit_flag==1:
18     for i in data:
19         print(i)
20     u_choice=input("pls input your choice:")
21     if u_choice in data:
22         while exit_flag == 1:
23             for i1 in data[u_choice]:
24                 print("\t"+i1)
25             u_choice1=input("pls input your choice:")
26             if u_choice1 in data[u_choice]:
27                 while exit_flag == 1:
28                     for i2 in data[u_choice][u_choice1]:
29                         print("\t\t"+i2)
30                     u_choice2=input("pls input your choice:")
31                     if u_choice2 in data[u_choice][u_choice1]:
32                         while exit_flag == 1:
33                             for i3 in data[u_choice][u_choice1][u_choice2]:
34                                 print ("\t\t\t"+i3)
35                             u_choice3=input("pls input your choice")
36                             if u_choice3 == "r":
37                                 break
38                             elif u_choice3 == "q":
39                                 exit_flag == 0
40                             else:
41                                 print("option incorrect,pls try again")
42                     elif u_choice2 == "r":
43                         break
44                     else:
45                         print("option incorrect,pls try again")
46             elif u_choice1 == "r":
47                 break
48             else:
49                 print("option incorrect,pls try again")
50     else:
51         print("option incorrect,pls try again")
View Code

 







            

            
posted @ 
2017-12-18 09:49 
东郭仔 
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