auto save

diy2.py

+i=3
 username = "正确的账号和密码"
 userpassword = "正确的账号和密码"
 while True:
+    if i>0:
     name = input("请输入用户名:")
     password = input("请输入密码:")
+    i -=1
     if name == username and password == userpassword:
         print("登录成功!")
         break
     elif name !=username:
         print("用户名错误，请重新输入")
+        continue
     else:
         print("密码错误，请重新输入")
+    else:
+        print("你的账号")
 print("欢迎来到贝尔编程!")
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