main.py [-h] [--brush_width BRUSH_WIDTH] --path PATH
        [--palette PALETTE] [--gradient GRADIENT]
optional arguments:
  -h, --help            show this help message and exit
  --brush_width BRUSH_WIDTH
                        Scale of the brush strokes
  --path PATH           Target image path, gif of still image
  --palette PALETTE     Palette colours. 0 = Actual color
  --gradient GRADIENT   Edge detection type. (sobel, scharr, prewitt, roberts)
  
ex. python main.py --brush_width 5 --path [target_image]