docs: def head(source, count: int = 5):
      """
      Displays a specified number of elements in a source object of many
      different possible types.
  
      :param source:
          DataFrames will show *count* rows of that DataFrame. A list, tuple or
          other iterable, will show the first *count* rows. Dictionaries will
          show *count* keys from the dictionary, which will be randomly selected
          unless you are using an OrderedDict. Strings will show the first
          *count* characters.
      :param count:
          The number of elements to show from the source.
      """
      r = _get_report()
      r.append_body(render_texts.head(source, count=count))
      r.stdout_interceptor.write_source('[ADDED] Head\n')