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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 delete_state(self, state):
 """Delete a specified state from the LRS :param state: State document to be deleted :type state: :class:`tincan.documents.state_document.StateDocument` :return: LRS Response object :rtype: :class:`tincan.lrs_response.LRSResponse` """

        return self._delete_state(
            activity=state.activity,
            agent=state.agent,
            state_id=state.id,
            etag=state.etag
        )