save project

jkl.py

@@ -5,4 +5,11 @@ while True:
     password=input("请输入密码：")
     password=input("请输入密码：")
     if name==usename and password==usepassword:
     if name==usename and password==usepassword:
         print("登录成功！")
         print("登录成功！")
-        break
+        break
\ No newline at end of file
+    if name!=usename:
+        print("用户名错误，请重新输入！")
+    if password!=usepassword:
+        print("密码错误，请重新输入！") 
+    if name!=usename and password!=usepassword:
+        print("用户名和密码错误，请重新输入！")       
+        
\ No newline at end of file