old_contents: #!/usr/bin/python
  
  # Bismillahir Rahmanir Rahim, ALLAHU AKBAR
  # @author: sazid
  # MIT License
  
  import sys
  from subprocess import call
  
  if len(sys.argv) <= 1 or len(sys.argv) > 2:
      print "Bad argument(s)"
      print "Usage: \"setvolume.py 70\" to set the volume to 70%"
      print "You can also increase the volume above 100% like 150% or 200%"
  else:
      volume_percent = sys.argv[1] + "%"
      call(["pactl", "set-sink-volume", "0", volume_percent])
  
new_contents: #!/usr/bin/python3
  
  # Bismillahir Rahmanir Rahim, ALLAHU AKBAR
  # @author: sazid
  # MIT License
  
  import sys
  from subprocess import call
  
  if len(sys.argv) <= 1 or len(sys.argv) > 2:
      print('Bad argument(s)')
      print('Usage: "setvolume.py 70" to set the volume to 70%')
      print('You can also increase the volume above 100% like 150% or 200%')
  else:
      volume_percent = sys.argv[1] + '%'
      call(['pactl', 'set-sink-volume', '0', volume_percent])
  
subject: Make python3 compatible