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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 _clip_shape(shape, buffer_padded_bounds, is_clipped, clip_factor):
 """ Return the shape clipped to a clip_factor expansion of buffer_padded_bounds if is_clipped is True. Otherwise return the original shape, or None if the shape does not intersect buffer_padded_bounds at all. This is used to reduce the size of the geometries which are encoded in the tiles by removing things which aren't in the tile, and clipping those which are to the clip_factor expanded bounding box. """


    shape_buf_bounds = geometry.box(*buffer_padded_bounds)

    if not shape_buf_bounds.intersects(shape):
        return None

    if is_clipped:
        # now we know that we should include the geometry, but
        # if the geometry should be clipped, we'll clip to the
        # layer-specific padded bounds
        layer_padded_bounds = calculate_padded_bounds(
            clip_factor, buffer_padded_bounds)

        if shape.type == 'MultiPolygon':
            shape = _intersect_multipolygon(
                shape, shape_buf_bounds, layer_padded_bounds)
        else:
            try:
                shape = shape.intersection(layer_padded_bounds)
            except shapely.errors.TopologicalError:
                return None

    return shape