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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 json_default_with_numpy(obj):
 """Convert numpy classes to JSON serializable objects."""

    if isinstance(obj, (np.integer, np.floating, np.bool_)):
        return obj.item()
    elif isinstance(obj, np.ndarray):
        return obj.tolist()
    else:
        return obj