save project

diy1.py

@@ -8,4 +8,10 @@ password = input("请输入密码：")
 
 
 # 如果用户输入的账号、密码正确，提示登陆成功
 # 如果用户输入的账号、密码正确，提示登陆成功
 if name == username and password == userpassword:
 if name == username and password == userpassword:
-    print("登录成功")
+    print("登录成功")
\ No newline at end of file
+elif name == username and password != userpassword:
+    print("密码错误")
+elif name != username and password == userpassword:
+    print("用户名错误")
+else:
+    print("该账号不存在")