编写一个完整的程序，运行时向用户提问“你考了多少分？（0~100）”， 接收输入后判断其等级并显示出来,要求使用switch实现分支选择-Procedures for the preparation of a complete, run-time to the user question " How many hours do you test? (0 ~ 100)" , after receiving input to determine their level and sho