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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_symmetry_from_database(hall_number):
 """Return symmetry operations corresponding to a Hall symbol. The Hall symbol is given by the serial number in between 1 and 530. The symmetry operations are given by a dictionary whose keys are 'rotations' and 'translations'. If it fails, None is returned. """

    _set_no_error()

    rotations = np.zeros((192, 3, 3), dtype='intc')
    translations = np.zeros((192, 3), dtype='double')
    num_sym = spg.symmetry_from_database(rotations, translations, hall_number)
    _set_error_message()

    if num_sym is None:
        return None
    else:
        return {'rotations':
                np.array(rotations[:num_sym], dtype='intc', order='C'),
                'translations':
                np.array(translations[:num_sym], dtype='double', order='C')}