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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_type(self):
 """ Getting type of measurement keeping backwards compatibility for v2 API output changes. """

        mtype = None
        if "type" not in self.meta_data:
            return mtype

        mtype = self.meta_data["type"]
        if isinstance(mtype, dict):
            mtype = self.meta_data.get("type", {}).get("name", "").upper()
        elif isinstance(mtype, str):
            mtype = mtype

        return mtype