async def ban(self, user, *, reason=None, delete_message_days=<NUM_LIT:1>):
await self._state.http.ban(user.id, self.id, delete_message_days, reason=reason)<EOL>
|coro|

        Bans a user from the guild.

        The user must meet the :class:`abc.Snowflake` abc.

        You must have the :attr:`~Permissions.ban_members` permission to
        do this.

        Parameters
        -----------
        user: :class:`abc.Snowflake`
            The user to ban from their guild.
        delete_message_days: :class:`int`
            The number of days worth of messages to delete from the user
            in the guild. The minimum is 0 and the maximum is 7.
        reason: Optional[:class:`str`]
            The reason the user got banned.

        Raises
        -------
        Forbidden
            You do not have the proper permissions to ban.
        HTTPException
            Banning failed.