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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_cube(name):
 """ Load the named cube from the current registered ``CubeManager``. """

    manager = get_manager()
    if not manager.has_cube(name):
        raise NotFound('No such cube: %r' % name)
    return manager.get_cube(name)