Encode an exisiting image using: pyhton3 steganography.py -e <image_to_encoded> <output_image_name>

Decode an image using: pyhton3 steganography.py -d <image_to_be_decoded>

Encode data by creating a new image: pyhton3 steganography.py -ea <output_image_name>

Decode a created image by: pyhton3 steganography.py -da <image_to_be_decoded>