from pytube import Playlist

#Create object for the YouTube playlist
pl = Playlist(“https://youtube.com/playlist?list=PLNFI79D7MYqPlOvLY1TqRKnZWCGKMIIGw”)

#Loop through all the videos in the playlist and download them
for video in pl.videos:
video.streams.filter(only_audio=True).first().download(r"C:\Users\elias\PycharmProjects")
how to change it so the file is mp3 type