2023年MathorCup高校数学建模挑战赛—大数据竞赛B题电商零售商家需求预测及库存优化问题求解全过程文档及程序

root@DyanGong:~# nano hello.sh
root@DyanGong:~# nano hello.sh
root@DyanGong:~# cat hello.sh
some content inserted here.
root@DyanGong:~#

• PS : how to save and exit
  To save and exit in Nano, press Ctrl + O to save your changes, then press Ctrl + X to exit the editor; if you have unsaved changes, Nano will prompt you to save them before exiting