Youtube playlist URL in bulk Script

#How to get youtube playlist URL in bulk (trick explained using powershell)
#Channel:- https://www.youtube.com/channel/UCVd9zuGwmeg4Tzz3J1XlPUQ?sub_confirmation=1
#Youtube playlist url extractor powershell script
#Pastebin url :- https://pastebin.com/HmRx3JMc

$YTUrl = "<YOUR YOUTUBE PLAYLIST URL>"

$Playlist = ((Invoke-WebRequest "$YTUrl").Links | Where {$_.class -match "playlist-video"}).href

ForEach ($Video in $Playlist) {
$s ="https://www.youtube.com" + $Video
$s =$s.Substring(0, $s.IndexOf('&'))

# bad output
#    Write-Output ($s | Out-File output_bad.txt )

#good output
#    Write-Output ($s | Out-File -append output_using_append.txt )

#Ascii encoded characters
     Write-Output ($s | Out-File -Encoding Ascii -append output_using_Encode_append.txt )

#Adding output again and again without over writing
#    Write-Output ($s | Add-Content output_using_Addcontent.txt )

#To view in powershell
Write-Output ($s)
}

#Steps to use
#Create a folder on your desktop and name it youtube_url
#Go into the folder and on the address bar type "powershell" [ENTER]
#Copy this code just replace the $YTUrl = "with your playlist url"
#The play list url should look like this https://www.youtube.com/watch?v=xxxxxxxxxxxxxx&list=xxxxxxxxx-x_xxxxxxxxxxxxxxxxxxxxxxx
#Not https://www.youtube.com/playlist?list=xxxxxxxxxxx-xx_xxxxxxxxxxxxxxxxxxxxxxxx