save project

diy2.py

@@ -6,5 +6,16 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    print("用户名和密码错误!请重新输入")
+    elif name!= username and password!=userpassword:
+        print("都不正确")
+    elif name != username:
+        print("账号不正确")
+        while name!=username:
+            name = input("请输入用户名:")
+        break 
+    elif password != userpassword:
+        print("密码不正确")
+        while password!=userpassword:
+            password = input("请输入密码:")   
+        break
 print("欢迎来到贝尔编程!")
\ No newline at end of file