docstr: Sets the shape's starting y position. See `type` and
  `ysizemode` for more info.
  
  The 'y0' property accepts values of any type
  
  Returns
  -------
  Any
code: def y0(self):
      """
      Sets the shape's starting y position. See `type` and
      `ysizemode` for more info.
  
      The 'y0' property accepts values of any type
  
      Returns
      -------
      Any
      """
      return self["y0"]
  
imports: from plotly.basedatatypes import BaseLayoutHierarchyType
  import copy
label_desc: Use image node_id 47 for calling the Shape obj's underlying member method code with example usage: obj.y0() and returns: self