The [parser](https://github.com/tancredi/python-console-snake/blob/master/snake/parser.py) module uses the [optparse](https://docs.python.org/3/library/optparse.html) Python module, which is deprecated and should be replaced by [argparse](https://docs.python.org/3/library/argparse.html).
The parser module uses the optparse Python module, which is deprecated and should be replaced by argparse.