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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 _bbox(nodes):
 """Get the bounding box for set of points. .. note:: There is also a Fortran implementation of this function, which will be used if it can be built. Args: nodes (numpy.ndarray):
 A set of points. Returns: Tuple[float, float, float, float]: The left, right, bottom and top bounds for the box. """

    left, bottom = np.min(nodes, axis=1)
    right, top = np.max(nodes, axis=1)
    return left, right, bottom, top