save project

diy2.py

@@ -5,12 +5,6 @@ while True:
     password = input("请输入密码:")
     if name == username and password == userpassword:
         break
-        input("登录成功!")
-    if name != username and password != userpassword:
-        input("密码和用户名错误!请重新输入") 
-    elif name == username or password != userpassword:
-        input("密码错误!请重新输入")
-    elif name != username or password == userpassword:
-        input("用户名错误!请重新输入")
-        
+        print("登录成功!")
+    print("用户名和密码错误!请重新输入")
 print("欢迎来到贝尔编程!")
\ No newline at end of file