code: def list_mean(list_of_measures):
      """Computes means of consequent elements in given list.
  
      :param list_of_measures: a list of tuples to compute means from
      :type list_of_measures: list
      :returns: a list containing the means
  
      This function can be used as an aggregator in :func:`cross_validated`,
      when multiple performance measures are being returned by the wrapped function.
  
      >>> list_mean([(1, 4), (2, 5), (3, 6)])
      [2.0, 5.0]
  
      """
      return list(map(mean, zip(*list_of_measures)))
  
imports: import math
  import random
  import itertools
  import functools
  import operator
  import array
  import inspect
label_desc: Use image node_id 8 for calling a global function with example usage: list_mean(list_of_measures) and returns: list