q1_7.py

test = {   'name': 'q1_7',
    'points': None,
    'suites': [   {   'cases': [{'code': '>>> isinstance(mean_stats, bpd.DataFrame) and mean_stats.shape == (4, 3)\nTrue', 'hidden': False, 'locked': False}],
                      'scored': True,
                      'setup': '',
                      'teardown': '',
                      'type': 'doctest'}]}