def set_default_region(self, region):
region = _convert_to_charp(region)<EOL>self._set_default_region_func(self.alpr_pointer, region)<EOL>
This sets the default region for detecting license plates. For example,
setting region to "md" for Maryland or "fr" for France.

:param region: A unicode/ascii string (Python 2/3) or bytes array (Python 3)
:return: None