code: def set_option(name, value):
      
      old = get_option(name)
      globals()[name] = value
      return old
docs: Set plydata option
  
      Parameters
      ----------
      name : str
          Name of the option
      value : object
          New value of the option
  
      Returns
      -------
      old : object
          Old value of the option
  
      See also
      --------
      :class:`options`