def state_abbr(self, include_territories=True):
        """
        :returns: A random state or territory abbreviation.

        :param include_territories: If True, territories will be included.
            If False, only states will be returned.
        """
        if include_territories:
            self.random_element(self.states_and_territories_abbr)
        return self.random_element(self.states_abbr)
:returns: A random state or territory abbreviation.

        :param include_territories: If True, territories will be included.
            If False, only states will be returned.