text: import aiohttp
  
  
  class TranslateSession:
  
      BASE_TIMEOUT = 10
  
      def __init__(self, proxy=None, headers=None, cookies=None, timeout=None):
          self.timeout = timeout
          self.cookies = cookies
          self.headers = headers
          if proxy is not None and 'http' in proxy:
              self.proxy = proxy['http']
          elif proxy is not None and 'https' in proxy:
              self.proxy = proxy['https']
          else:
              self.proxy = None
          self.session = None
          self._last_response = None
  
      def _init_session(self):
          if self.timeout is not None:
              timeout = aiohttp.ClientTimeout(total=self.timeout)
          else:
              timeout = aiohttp.ClientTimeout(total=self.BASE_TIMEOUT)
  
          if self.headers is not None:
              headers = self.headers
          else:
              headers = {}
  
          if self.cookies is not None:
              cookies = self.cookies
          else:
              cookies = {}
  
          self.session = aiohttp.ClientSession(headers=headers, cookies=cookies, timeout=timeout)
  
      async def get(self, url: str) -> aiohttp.ClientResponse:
          if self.session is None:
              self._init_session()
  
          self._last_response = await self.session.get(url=url, proxy=self.proxy)
          return self.last_response()
  
      async def close(self):
          if not self.session.closed:
              await self.session.close()
          self.session = None
  
      def last_response(self):
          return self._last_response
  
  