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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def parse_section_packages__find(self, section_options):
 """Parses `packages.find` configuration file section. To be used in conjunction with _parse_packages(). :param dict section_options: """

        section_data = self._parse_section_to_dict(
            section_options, self._parse_list)

        valid_keys = ['where', 'include', 'exclude']

        find_kwargs = dict(
            [(k, v) for k, v in section_data.items() if k in valid_keys and v])

        where = find_kwargs.get('where')
        if where is not None:
            find_kwargs['where'] = where[0]  # cast list to single val

        return find_kwargs