save project

diy2.py

@@ -3,8 +3,11 @@ userpassword = "123456"
 while True:
 while True:
     name = input("请输入用户名:")
     name = input("请输入用户名:")
     password = input("请输入密码:")
     password = input("请输入密码:")
-    if name != username or password != userpassword:
-        print("用户名和密码错误!请重新输入")
-    else:
+    if name == username and password == userpassword:
+        print("登录成功！！")
         break
         break
+    if username != name:
+        print("用户名错误！")
+    if password != userpassword:
+        print("密码错误！")
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")