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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 detect(self, obj):
 """Identifies the HAL draft level of a given JSON object."""

        links = obj.get(LINKS_KEY, {})

        for detector in [LATEST, DRAFT_3]:
            if detector.draft.curies_rel in links:
                return detector.detect(obj)

        return LATEST.detect(obj)