save project

sb.py

@@ -6,9 +6,11 @@ while True:
     if name == username and userpassword == abb:
     if name == username and userpassword == abb:
             print("登陆成功")
             print("登陆成功")
             break
             break
+    print("用户名和密码错误！请重新输入")  
     if name!=username:
     if name!=username:
-        print("用户名错误，请重新输入") 
-    if  password!=userpassword:
+        print("用户名错误！请重新输入") 
+        continue
+    if  password !=userpassword:
         print("密码错误")
         print("密码错误")
 print("欢迎来到贝尔编程")
 print("欢迎来到贝尔编程")