day3- python 注册 

 1 # 1、先把文件内容的账号密码放到list/字典
 2 
 3 f = open('users')
 4 result = f.read()
 5 f.close()
 6 user_list = result.split()  # 
 7 user_dic = {}  # 存放所有的用户
 8 for user in user_list:
 9     username,password = user.split(',')
10     user_dic[username] = password
11 
12 fw = open('user','a')
13 for i in range(3):
14     user = input('username:').strip().upper()
15     pd = input('password').strip()
16     cpd = input('cpwd').strip()
17     if len(user) not in range(6,11) or len(pd) not in range(6,11) :
18         print('账号/长度不在6-10位之间')
19     elif pd != cpd:
20         print('两次输入密码不一致')
21     elif user in user_dic:
22         print('用户已经存在')
23     else:
24         user_dic[user] = password
25         s = '%s,%s\n' %(user,pd)
26         fw.write(s)
27         print('注册成功')
28         break
29 else:
30     print('失败次数过多！')

 

posted @ 2018-11-26 23:27  yatou001  阅读(105)  评论(0)    收藏  举报