four_color is a package for Four Color Problem. :
* Download picture from https://www.dropbox.com/s/twiscp9h15so8no/sample.png?dl=1
* `python -m four_color`
* Open http://localhost:8000/
* Set "sample.png" and push "send" button.
* Download "fig.png".
- Python 3, Pillow, Flask, NetworkX, PuLP
- nothing
$ pip install four_color
- first release