using youtube-dl code example

Example 1: youtube dl

720p:
youtube-dl -f 22 http://www.youtube.com/watch?v=dQw4w9WgXcQ
360p:
youtube-dl -f 18 http://www.youtube.com/watch?v=dQw4w9WgXcQ

other formats:
https://www.reddit.com/r/youtubedl/comments/aa6uvq/how_do_i_download_a_video_or_playlist_at_480p_only/

Example 2: youtube-dl

youtube-dl --download-archive archive.txt --cookies cookies.txt -o "%(playlist_index)s - %(title)s.%(ext)s" https:www.YourCourseURL.com --playlist-start 1 --all-subs -f "best[height=720]"