code: def iter_orgs(username, number=-1, etag=None):
      
      return gh.iter_orgs(username, number, etag) if username else []
docs: List the organizations associated with ``username``.
  
      :param str username: (required), login of the user
      :param int number: (optional), number of orgs to return. Default: -1,
          return all of the issues
      :param str etag: (optional), ETag from a previous request to the same
          endpoint
      :returns: generator of
          :class:`Organization <github3.orgs.Organization>`