code: def test_get_closest_value_in_list(self):
      input_list = [1.5, -1.5, 2.5, 4.5]
      value = AlgorithmUtil.get_random_item_from_list(input_list)
      self.assertTrue(value in input_list)
  
file_path: advisor/advisor_server/suggestion/algorithm/util_test.py
imports: from django.test import TestCase
  from suggestion.algorithm.util import AlgorithmUtil
label_desc: Use image node_id 6 for calling the AlgorithmUtilTest obj's underlying member method code with example usage: obj.test_get_closest_value_in_list() without return types