<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_country(self):
 """Returns the name of the country of the user."""


        doc = self._request(self.ws_prefix + ".getInfo", True)

        country = _extract(doc, "country")

        if country is None or country == "None":
            return None
        else:
            return Country(country, self.network)