That reminds me back when some time ago, I was tired of dealing with sketchy, and often broken, websites and programs for downloading videos from Youtube. I figured these sorts of programs must be doing something along the lines of downloading the Youtube page, parsing through the massive pile of HTML and Javascript to find the stream, and then saving that to a video file. That seemed like something I could do myself with Python, so I set out to see if I could figure out how to do it.

A few minutes and a couple of web searches later, I discovered that someone else had figured that all out already and I just needed to do "pip install pytube".