code: def directions(self, proxies=None):
      
      try:
        response = requests.get(self.url("langs"), params={"key": self.api_key}, proxies=proxies)
      except requests.exceptions.ConnectionError:
        raise YandexTranslateException(self.error_codes[503])
      else:
        response = response.json()
      status_code = response.get("code", 200)
      if status_code != 200:
        raise YandexTranslateException(status_code)
      return response.get("dirs")
docs: Returns list with translate directions
      >>> translate = YandexTranslate("trnsl.1.1.20130421T140201Z.323e508a33e9d84b.f1e0d9ca9bcd0a00b0ef71d82e6cf4158183d09e")
      >>> directions = translate.directions
      >>> len(directions) > 0
      True