code: def iter_emails(self, number=-1, etag=None):
          
          url = self._build_url('user', 'emails')
          return self._iter(int(number), url, dict, etag=etag)
docs: Iterate over email addresses for the authenticated user.
  
          :param int number: (optional), number of email addresses to return.
              Default: -1 returns all available email addresses
          :param str etag: (optional), ETag from a previous request to the same
              endpoint
          :returns: generator of dicts