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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 get_json(jsonpath, default):
 """Returns the JSON serialized object at the specified path, or the default if it doesn't exist or can't be deserialized. """

    from os import path
    import json
    result = default
    
    if path.isfile(jsonpath):
        try:
            with open(jsonpath) as f:
                result = json.load(f, object_pairs_hook=load_with_datetime)
        except(IOError):
            err("Unable to deserialize JSON at {}".format(jsonpath))
            pass

    return result