save project

diy2.py

@@ -5,5 +5,10 @@ while True:
     password = input("请输入密码:")
     password = input("请输入密码:")
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
-    print("用户名和密码错误!请重新输入")
+        break
+    if name != username:
+        print("请输入正确的用户名")
+    if password!= userpassword:
+        print("请输入正确的密码")
+print("用户名和密码错误!请重新输入")
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")