def get_first_user_agent(self):
    '\n        :returns: Return the first user agent.\n        :rtype: str\n        '
    return self._user_agents[0]
:returns: Return the first user agent.
:rtype: str
def get_first_user_agent(self):
    '\n        :returns: Return the first user agent.\n        :rtype: str\n        '
    return self._user_agents[0]