code: def get(self, key):
          
          if not self.servers:
              return self.miss
  
          key = self._qualified_key(key)
          hashed_key = self.key_hasher(key)
          entry = self.client.get(hashed_key)
  
          if isinstance(entry, tuple) and len(entry) == 2:
              key_, result = entry
              if key_ == key:
                  self.logger("HIT: %s", key)
                  return result
  
          self.logger("MISS: %s", key)
          return self.miss
docs: See memcache.Client.
  
          Returns:
              object: A value if cached, else `self.miss`. Note that this differs
              from `memcache.Client`, which returns None on cache miss, and thus
              cannot cache the value None itself.