code: def mpl_hist_arg(value=True):
      """Find the appropriate `density` kwarg for our given matplotlib version.
  
      This will determine if we should use `normed` or `density`. Additionally,
      since this is a kwarg, the user can supply a value (True or False) that
      they would like in the output dictionary.
  
      Parameters
      ----------
      value : bool, optional (default=True)
          The boolean value of density/normed
  
      Returns
      -------
      density_kwarg : dict
          A dictionary containing the appropriate density kwarg for the
          installed  matplotlib version, mapped to the provided or default
          value
      """
      import matplotlib
  
      density_kwarg = (
          "density" if matplotlib.__version__ >= "2.1.0" else "normed"
      )
      return {density_kwarg: value}
  
label_desc: Use image node_id 2 for calling a global function with example usage: mpl_hist_arg(value) and returns: dict