save project

diy2.py

@@ -5,9 +5,8 @@ while True:
     password = input("请输入密码:")
     if name == username and password == userpassword:
         print("登录成功!")
-        break
-    if name != username:
+    elif name != username:
         print("用户名错误")
-    if password != userpassword:
+    else:
         print("密码错误")    
 print("欢迎来到贝尔星球")
\ No newline at end of file