docstr: Sets the marker size (in px).
  
  The 'size' property is a number and may be specified as:
    - An int or float in the interval [0, inf]
    - A tuple, list, or one-dimensional numpy array of the above
  
  Returns
  -------
  int|float|numpy.ndarray
code: def size(self):
      """
      Sets the marker size (in px).
  
      The 'size' property is a number and may be specified as:
        - An int or float in the interval [0, inf]
        - A tuple, list, or one-dimensional numpy array of the above
  
      Returns
      -------
      int|float|numpy.ndarray
      """
      return self["size"]
  
imports: from plotly.basedatatypes import BaseTraceHierarchyType
  import copy
label_desc: Use image node_id 39 for calling the Marker obj's underlying member method code with example usage: obj.size() and returns: self