def getUID(message):
        """
        Return the UID of a message in the mailbox

        @type message: L{int}
        @param message: The message sequence number

        @rtype: L{int}
        @return: The UID of the message.
        """

        Return the UID of a message in the mailbox

        @type message: L{int}
        @param message: The message sequence number

        @rtype: L{int}
        @return: The UID of the message.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/mail/interfaces.py