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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 add_group(self, groupname):
 """Create a new group in JIRA. :param groupname: The name of the group you wish to create. :type groupname: str :return: Boolean - True if successful. :rtype: bool """

        url = self._options['server'] + '/rest/api/latest/group'

        # implementation based on
        # https://docs.atlassian.com/jira/REST/ondemand/#d2e5173

        x = OrderedDict()

        x['name'] = groupname

        payload = json.dumps(x)

        self._session.post(url, data=payload)

        return True