docs: def showMetadata(dat):
      """
      Display the metadata specified LiPD in pretty print
  
      | Example
      | showMetadata(D["Africa-ColdAirCave.Sundqvist.2013"])
  
      :param dict dat: Metadata
      :return none:
      """
      _tmp = rm_values_fields(copy.deepcopy(dat))
      print(json.dumps(_tmp, indent=2))
      return