To apply a filter to an image, use the following command:
python main.py <flag> <image>
-g: Grey filter-s: Sharpen filter-r: Reflect filter-i: Invert filter-b: Blur filter-e: Emboss filter-c: Contour filter-d: Detail filter-ed: Edge filter
To apply a grey filter to an image named python.jpg, use:
python main.py -g filter/images/python.jpg










