How to use the movingpandas.overlay.create_entry_and_exit_points function in movingpandas

Start time for the segment
        t2 : datetime.datetime
            End time for the segment
        method : str
            Extraction method

        Returns
        -------
        shapely LineString
            Extracted trajectory segment
        """
        if method not in ['interpolated', 'within']:
            raise ValueError('Invalid split method {}. Must be one of [interpolated, within]'.format(method))
        if method == 'interpolated':
            st_range = SpatioTemporalRange(self.get_position_at(t1), self.get_position_at(t2), t1, t2)
            temp_df = create_entry_and_exit_points(self, st_range)
            temp_df = temp_df[t1:t2]
            return point_gdf_to_linestring(temp_df)
        else:
            try:
                return point_gdf_to_linestring(self.get_segment_between(t1, t2).df)
            except RuntimeError:
                raise RuntimeError("Cannot generate linestring between {0} and {1}".format(t1, t2))