q2_3.py

test = {   'name': 'q2_3',
    'points': 1,
    'suites': [   {   'cases': [   {'code': '>>> callable(diff_of_means) and isinstance(observed_diff, float)\nTrue', 'hidden': False, 'locked': False},
                                   {'code': ">>> np.isclose(diff_of_means(all_characters_goodness, 'COMPANY', 'DC', 'Marvel', 'YEAR'), 85.05327221123798)\nTrue", 'hidden': False, 'locked': False}],
                      'scored': True,
                      'setup': '',
                      'teardown': '',
                      'type': 'doctest'}]}