Count the number of corners in a black and white figure.
Create a python script that can count the number of corners in a figure, when provided the filename to the image. The filename should be provided as a command-argument.
Extra points for using argparse.
The number of corners should be written to stdout.
Create a new python script that can mark the corners in a figure, when provided the filename to the image. The script should also be provided a destination to the output image.
Mark the detected corners with a red dot.
Save the image to the provided destination path.