save project

diy2.py

@@ -6,10 +6,9 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    if name != username :     
+    elif name != username :     
         print("用户名不成功!")  
-        continue
-    if password != userpassword:      
+    elif password != userpassword:      
         print("密码不成功!")
 print("欢迎来到贝尔编程!")