q4_6.py

test = {   'name': 'q4_6',
    'points': None,
    'suites': [   {   'cases': [   {'code': '>>> isinstance(boot_differences, np.ndarray) and len(boot_differences) == 1000\nTrue', 'hidden': False, 'locked': False},
                                   {'code': '>>> boot_differences.std() < 0.1\nTrue', 'hidden': False, 'locked': False}],
                      'scored': True,
                      'setup': '',
                      'teardown': '',
                      'type': 'doctest'}]}