save project

diy2.py

@@ -6,7 +6,8 @@ while True
     if name == username and password == userpassword:
     if name == username and password == userpassword:
       input("欢迎回来")  
       input("欢迎回来")  
 if name !== username:
 if name !== username:
-      input("账号不对")  
+      input("账号不对")
+      continue
 password != userpassword:
 password != userpassword:
       input("密码不对")  
       input("密码不对")