save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
+    i=i<3
     name = input("请输入用户名:")
     name = input("请输入用户名:")
     password = input("请输入密码:")
     password = input("请输入密码:")
+    i=i-1
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
         break
         break
-
     elif name != username :
     elif name != username :
         print("用户名错误")
         print("用户名错误")
         continue
         continue
     elif password != userpassword:
     elif password != userpassword:
         print("密码啊错误")
         print("密码啊错误")
+    else:
+        print("滚吧")
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")