docstr: Sets the marker symbol. Full list: https://www.mapbox.com/maki-
  icons/ Note that the array `marker.color` and `marker.size` are
  only available for "circle" symbols.
  
  The 'symbol' property is a string and must be specified as:
    - A string
    - A number that will be converted to a string
    - A tuple, list, or one-dimensional numpy array of the above
  
  Returns
  -------
  str|numpy.ndarray
code: def symbol(self):
      """
      Sets the marker symbol. Full list: https://www.mapbox.com/maki-
      icons/ Note that the array `marker.color` and `marker.size` are
      only available for "circle" symbols.
  
      The 'symbol' property is a string and must be specified as:
        - A string
        - A number that will be converted to a string
        - A tuple, list, or one-dimensional numpy array of the above
  
      Returns
      -------
      str|numpy.ndarray
      """
      return self["symbol"]
  
imports: from plotly.basedatatypes import BaseTraceHierarchyType
  import copy
label_desc: Use image node_id 45 for calling the Marker obj's underlying member method code with example usage: obj.symbol() and returns: self