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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 iter_org_events(self, org, number=-1, etag=None):
 """Iterate over events as they appear on the user's organization dashboard. You must be authenticated to view this. :param str org: (required), name of the organization :param int number: (optional), number of events to return. Default: -1 returns all available events :param str etag: (optional), ETag from a previous request to the same endpoint :returns: list of :class:`Event <github3.events.Event>`\ s """

        url = ''
        if org:
            url = self._build_url('events', 'orgs', org, base_url=self._api)
        return self._iter(int(number), url, Event, etag=etag)