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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:
 async def peer(client: Client, peer_signed_raw: str) -> ClientResponse: """ POST a Peer signed raw document :param client: Client to connect to the api :param peer_signed_raw: Peer signed raw document :return: """

    return await client.post(MODULE + '/peering/peers', {'peer': peer_signed_raw}, rtype=RESPONSE_AIOHTTP)