new_contents: import sys
  import board
  import neopixel
  import argparse
  import time
  
  # cmd set
  # line 1/2 : 12, 18
  # on (white : 255,255,255)
  # off (0,0,0)
  # color (R,G,B)
  #####
  # test.py <ID> <cmd> <option>
  # test.py 1 on
  # test.py 1 off
  # test.py 1 color 255 255 255
  
  def led_on(pin):
      if pin == 1:
          pixels = neopixel.NeoPixel(board.D12, 20)
      elif pin == 2:
          pixels = neopixel.NeoPixel(board.D18, 20)
      else:
          print("wrong id")
          return False
      pixels.fill((255, 255, 255))
      return True
  
  def led_off(pin):
      if pin == 1:
          pixels = neopixel.NeoPixel(board.D12, 20)
      elif pin == 2:
          pixels = neopixel.NeoPixel(board.D18, 20)
      else:
          return False
      pixels.fill((0, 0, 0))
      return True
  
  def led_color(pin, R=255,G=255,B=255):
      if pin == 1:
          pixels = neopixel.NeoPixel(board.D12, 20)
      elif pin == 2:
          pixels = neopixel.NeoPixel(board.D18, 20)
      else:
          return False
      pixels.fill((R, G, B))
      return True
  
  if __name__ == "__main__":
      if len(sys.argv) == 3 and sys.argv[2] == 'on':
          led_on(int(sys.argv[1]))
      elif len(sys.argv) == 3 and sys.argv[2] == 'off':
          led_off(int(sys.argv[1]))
      elif len(sys.argv) == 6 and sys.argv[2] == 'color':
          led_color(int(sys.argv[1]), int(sys.argv[3]), int(sys.argv[4]), int(sys.argv[5]))
      else:
          print("wrong argv")
  
subject: add led_strip.py