code: def add_params(param_list_left, param_list_right):
      
      res = []
      for x, y in zip(param_list_left, param_list_right):
          res.append(x + y)
      return res
docs: Add two lists of parameters one by one
  
      :param param_list_left: list of numpy arrays
      :param param_list_right: list of numpy arrays
      :return: list of numpy arrays