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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 _slugify_internal_collection_name(self, json_repr):
 """Parse the JSON, find its name, return a slug of its name"""

        collection = self._coerce_json_to_collection(json_repr)
        if collection is None:
            return None
        internal_name = collection['name']
        return slugify(internal_name)