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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(self, id):
 """ Get an by object by unique identifier :id string id: the bson id of an object :rtype: JSON """

        try:
            if self.request.headers.get("Id"):
                object_ = yield self.client.find_one({self.request.headers.get("Id"): id})
            else:
                object_ = yield self.client.find_one_by_id(id)

            if object_:
                self.write(object_)
                return

            self.raise_error(404, "%s/%s not found" % (self.object_name, id))

        except InvalidId as ex:
            self.raise_error(400, message="Your ID is malformed: %s" % id)
        except Exception as ex:
            self.logger.error(ex)
            self.raise_error()