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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 initialize_unbounded(obj, dimensions, key):
 """ Initializes any DynamicMaps in unbounded mode. """

    select = dict(zip([d.name for d in dimensions], key))
    try:
        obj.select([DynamicMap], **select)
    except KeyError:
        pass