code: def average(x, bessel=False):
      """
      Args:
        x: iterable with len
  
        oneless: (default ``False``) reduces the length of the array for the
                  division.
  
      Returns:
        A float with the average of the elements of x
      """
      return math.fsum(x) / (len(x) - bessel)
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import math
label_desc: Use image node_id 1 for calling a global function with example usage: average(x, bessel) and returns: unknown