code: def chain(*rws):
      
      assert rws is not None
      if len(rws) == 1 and isinstance(rws[0], list):
          # In case someone does chain([l0, l1, ...])
          rws = rws[0]
      return ChainReadWriter(rws)
docs: Build a ReadWriter from the given list of ReadWriters.
  
      .. code-block:: python
  
          chain(
              number(1),
              number(8),
              len_prefixed_string(number(2)),
          )  # == n1:1 n2:8 s~2
  
      Reads/writes from the given ReadWriters in-order. Returns lists of values
      in the same order as the ReadWriters.
  
      :param rws:
          One or more ReadWriters