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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 is_coord_subset(subset, superset, atol=1e-8):
 """ Tests if all coords in subset are contained in superset. Doesn't use periodic boundary conditions Args: subset, superset: List of coords Returns: True if all of subset is in superset. """

    c1 = np.array(subset)
    c2 = np.array(superset)
    is_close = np.all(np.abs(c1[:, None, :] - c2[None, :, :]) < atol, axis=-1)
    any_close = np.any(is_close, axis=-1)
    return np.all(any_close)