save project

diy2.py

 username="春节"
-userpassword="1245"
+userpassword="145"
 while True:
     name=input("请输入用户名")
     password=input("请输入密码")
     if name==username and password==userpassword:
         print("登陆成功")
         break
-    if name!=username:
-        print("用户名输入错误")
-    if password!=userpassword:
-        print("密码输入错误")
-print("欢迎来到到贝尔编程")
\ No newline at end of file
+    elif name!=username:
+        print("用户名错误")
+    else:
+        print("密码错误")
+print("欢迎来到贝尔编程")
\ No newline at end of file