用户注册登陆 python

             1 user = []
 2 password = []
 3 sex = []
 4 age = []
 5 file = open(r‘.vscode\userinfo.txt‘,‘a+‘)
 6file.seek(0)
 7for line in file:
 8     user.append(line.split(‘,‘)[0])
 9     password.append(line.split(‘,‘)[1])
10     sex.append(line.split(‘,‘)[2])
11     age.append(line.split(‘,‘)[3].strip(‘\n‘))
12print(user)
13print(password)
14print(sex)
15print(age)
16print(‘‘‘欢迎进入注册用户程序
171 打印用户列表
182 注册用户
193 用户登陆
204 查找用户信息
21‘‘‘)
22while 1:
23  temp = input("输入你的选择：")
24  item = int(temp)
25if item == 2:
26    name = input("请输入你的用户名：")
27    password1 = input("请输入你的密码：")
28    password2 = input("请再次输入你的密码：")
29if name ==‘‘or password1 ==‘‘or password2 == ‘‘:
30print("你的用户名与密码不能为空！")
31continue32elif name in user:
33print(‘你输入的用户名已存在！‘)
34continue35else:
36if password1 == password2:
37print("恭喜你，%s注册成功" %name)
38             sex1 = input("请输入你的性别")
39             age1 = input("请输入你的年龄")
40             file.write(name+‘,‘+password1+‘,‘+sex1+‘,‘+age1+‘\n‘)
41print("用户存储成功")
42            file.close()
43break44else:
45print("密码不一致！")
46if item ==1 :
4748print("name".center(8),"password".center(8),"sex".center(7),"age".center(6))
49for x,y,j,k in zip(user,password,sex,age):
50print(x.center(8),y.center(8),j.center(5),k.center(7))
5152if item == 3:
53            name = input("请输入你的用户名")
54            password3 = input("请输入密码：")
55for  i  in range(len(user)):
56if name == user[i] :
57if   password3 == password[i]:                   
58                     with open(r‘.vscode\saveuser.txt‘,‘a‘) as f:
59                        f.write(user[i]+‘,‘+password[i]+‘\n‘)
60print("登陆成功！")
61break62else:
63print("密码输入错误！")
6465if item ==4:
66           name = input("请输入你的用户名")
67for i in range(len(user)):
68if name == user[i]:
69print("name".center(8),"sex".center(7),"age".center(6))
70print(user[i].center(8),sex[i].center(6),age[i].center(6))
71