现有一组字符串为data,name,time,file,code,path,user,exit,quit,text，请编写程序从键盘输入4个字符的字符串，若存在将其修改为disk, 并将结果在显示器上显示-A set of string data, the name, time, file, code, the path, the user, exit, quit, text, write the string of four characters from the keyboard input