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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 active(self, date="", page=1, page_size=1000, order_field="email", order_direction="asc", include_tracking_preference=False):
 """Gets the active subscribers for this list."""

        params = {
            "date": date,
            "page": page,
            "pagesize": page_size,
            "orderfield": order_field,
            "orderdirection": order_direction,
            "includetrackingpreference": include_tracking_preference,
        }
        response = self._get(self.uri_for("active"), params=params)
        return json_to_py(response)