docstr: Sets the legend group for this shape. Traces and shapes part of
  the same legend group hide/show at the same time when toggling
  legend items.
  
  The 'legendgroup' property is a string and must be specified as:
    - A string
    - A number that will be converted to a string
  
  Returns
  -------
  str
code: def legendgroup(self):
      """
      Sets the legend group for this shape. Traces and shapes part of
      the same legend group hide/show at the same time when toggling
      legend items.
  
      The 'legendgroup' property is a string and must be specified as:
        - A string
        - A number that will be converted to a string
  
      Returns
      -------
      str
      """
      return self["legendgroup"]
  
imports: from plotly.basedatatypes import BaseLayoutHierarchyType
  import copy
label_desc: Use image node_id 13 for calling the Shape obj's underlying member method code with example usage: obj.legendgroup() and returns: self