code: def average_percentile(values):
      
      if not values:
          return None, None, None
  
      value_avg = round(float(sum(values)) / len(values), 2)
      value_max = round(percentile(values, 95), 2)
      value_min = round(percentile(values, 5), 2)
      return value_avg, value_min, value_max
docs: Get the average, min percentile (5%) and
      max percentile (95%) of a list of values.
  
      :param values: list of value to compute
      :type values: list
      :return: tuple containing average, min and max value
      :rtype: tuple