save project

diy1.py

-username="python"
-userpassword=123456
+username=333333
+userpassword=111111
 while True:
     name=input("请输出你的账号")
     password=input("请输出你的密码")
     if username==name and userpassword==password:
         print("登录成功")
         break
-    print("账号和密码错误。")    
-print("欢迎来到贝尔编程")
\ No newline at end of file
+    print("欢迎来到贝尔编程")
+    if not name==username:
+        print("用户名错误,请重新输入")
+    if not password == userpassword:
+        print("密码错误,请重新输入")
\ No newline at end of file