Automatically add credits (video URL) in .txt

[gt0203]

Hello,

first, thank you for this great sharing !

I would like to create a .txt file automatically with the URLs of the videos in my compilation.
Example :

credits.txt
https://www.reddit.com/r/Unexpected/comments/mv12wm/when_mom_finds_your_gummys/
https://www.reddit.com/r/Unexpected/comments/mwt19x/shit_duck/
...

I know a little bit about how to automatically create .txt file and write to it with python but i have no idea how to get the url of the videos i just download in a python script.

Thanks in advance :p