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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_services(self, full_objects=False):
 """Fetch and return analysis service objects """

        bsc = api.get_tool("bika_setup_catalog")
        brains = bsc(portal_type="AnalysisService")
        if full_objects:
            return map(api.get_object, brains)
        return brains