save project

diy2.py

@@ -6,8 +6,8 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    if name != username:
+    elif name != username:
         print("sb")
-    if password != userpassword:   
+    else password != userpassword:   
         print(nb) 
 print("欢迎来到贝尔编程!")
\ No newline at end of file