q1_3_2.py

test = {   'name': 'q1_3_2',
    'points': None,
    'suites': [   {   'cases': [   {'code': '>>> type(total_charges) == np.ndarray\nTrue', 'hidden': False, 'locked': False},
                                   {'code': '>>> sum(abs(total_charges - np.array([24.144, 47.88, 37.212]))) < 1e-6\nTrue', 'hidden': False, 'locked': False}],
                      'scored': True,
                      'setup': '',
                      'teardown': '',
                      'type': 'doctest'}]}