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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 server(addr):
 """Return a SocketTalk server."""

        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        sock.bind(addr)
        sock.listen(1)
        conn, addr = sock.accept()
        talk = SocketTalk(conn)
        return talk