Snoop, test, redirect
这条路不是从教科书里抄来的模式，是把脚踩进泥土里、把优势和短板摆出来之后，拼出来的一条路。
，这一点在Line官方版本下载中也有详细论述
import sys, tty
Cookie-based system to track your activity across clicks
The drone also comes with the DJI RC 2 (the remote control) that has a large screen in the center to see what you’re filming in real time.