code: def add_shape(self, autoshape_type_id, left, top, width, height):
          
          autoshape_type = AutoShapeType(autoshape_type_id)
          sp = self._add_sp(autoshape_type, left, top, width, height)
          self._recalculate_extents()
          return self._shape_factory(sp)
docs: Return new |Shape| object appended to this shape tree.
  
          *autoshape_type_id* is a member of :ref:`MsoAutoShapeType` e.g.
          ``MSO_SHAPE.RECTANGLE`` specifying the type of shape to be added. The
          remaining arguments specify the new shape's position and size.