save project

diy1.py

@@ -6,6 +6,11 @@ while True:
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
         break
         break
-    if name != username :and password != userpassword
+    if name != username:
+        print("用户户名输入错误")
+        
+    if password != userpassword:
+        print("用户密码输入错误")
+        continue
 print("欢迎来到贝尔编程")
 print("欢迎来到贝尔编程")
 # 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