code: def chunk(self, size=0):
          
  
          if size == 0:
              raise ValueError('Invalid chunk size')
  
          self.__prepare()
          _new_content = []
  
          while(len(self._json_data) > 0):
              _new_content.append(self._json_data[0:size])
              self._json_data = self._json_data[size:]
  
          self._json_data = _new_content
  
          return self._json_data
docs: Group the resulted collection to multiple chunk
  
          :@param size: 0
          :@type size: integer
  
          :@return Chunked List