code: def gcd(a, b):
      '''Greatest common divider'''
      f = _np.frompyfunc(_fractions.gcd, 2, 1)
      return f(a, bf gcd(a, b):
      '''Greatest common divider'''
      f = _np.frompyfunc(_fractions.gcd, 2, 1)
      return f(a, b)
docs: Greatest common divider