code: def append(self, key, val, time=0, min_compress_len=0):
          '''Append the value to the end of the existing key's value.
  
          Only stores in memcache if key already exists.
          Also see L{prepend}.
  
          @return: Nonzero on success.
          @rtype: int
          '''
          return self._set("append", key, val, time, min_compress_lenf append(self, key, val, time=0, min_compress_len=0):
          '''Append the value to the end of the existing key's value.
  
          Only stores in memcache if key already exists.
          Also see L{prepend}.
  
          @return: Nonzero on success.
          @rtype: int
          '''
          return self._set("append", key, val, time, min_compress_len)
docs: Append the value to the end of the existing key's value.
  
          Only stores in memcache if key already exists.
          Also see L{prepend}.
  
          @return: Nonzero on success.
          @rtype: int