code: def stitch_block_rows(block_list):
      '''
      Stitches blocks together into a single block rowwise. These blocks are 2D tables usually
      generated from tableproc. The final block will be of dimensions (sum(num_rows), max(num_cols)).
      '''
      stitched = list(itertools.chain(*block_list))
      max_length = max(len(row) for row in stitched)
      for row in stitched:
          if len(row) < max_length:
              row += [None] * (max_length - len(row))
      return stitchef stitch_block_rows(block_list):
      '''
      Stitches blocks together into a single block rowwise. These blocks are 2D tables usually
      generated from tableproc. The final block will be of dimensions (sum(num_rows), max(num_cols)).
      '''
      stitched = list(itertools.chain(*block_list))
      max_length = max(len(row) for row in stitched)
      for row in stitched:
          if len(row) < max_length:
              row += [None] * (max_length - len(row))
      return stitched
docs: Stitches blocks together into a single block rowwise. These blocks are 2D tables usually
      generated from tableproc. The final block will be of dimensions (sum(num_rows), max(num_cols)).