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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 conceptual_info(subsystem):
 """Return the conceptual information for a |Subsystem|. This is the distance from the subsystem's |CauseEffectStructure| to the null concept. """

    ci = ces_distance(ces(subsystem),
                      CauseEffectStructure((), subsystem=subsystem))
    return round(ci, config.PRECISION)