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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 all_near_zero_mod(a: Union[float, complex, Iterable[float], np.ndarray], period: float, *, atol: float = 1e-8) -> bool: """Checks if the tensor's elements are all near multiples of the period. Args: a: Tensor of elements that could all be near multiples of the period. period: The period, e.g. 2 pi when working in radians. atol: Absolute tolerance. """

    b = (np.asarray(a) + period / 2) % period - period / 2
    return np.all(np.less_equal(np.abs(b), atol))