//编写程序：要求能够通过控制台窗口接收一个整数n，然后在文件"data.txt"中写入所有比n小的素数 //，最后通过控制台窗口分别显示每个数字（0——9）在这些素数中出现的次数。P218-//Write process: requirements through the console window to receive an integer n, then in the file " data.txt" writes all the prime numbers sma