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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_hall_number_from_symmetry(rotations, translations, symprec=1e-5):
 """Hall number is obtained from a set of symmetry operations. If it fails, None is returned. """


    r = np.array(rotations, dtype='intc', order='C')
    t = np.array(translations, dtype='double', order='C')
    hall_number = spg.hall_number_from_symmetry(r, t, symprec)
    return hall_number