code: def pad(sequences, pad_token="<pad>", pad_left=True):
      """input sequences is a list of text sequence [[str]]
      pad each text sequence to the length of the longest
      """
      max_len = max(5, max(len(seq) for seq in sequences))
      if pad_left:
          return [
              [pad_token] * (max_len - len(seq)) + seq
              for seq in sequences
          ]
      return [
          seq + [pad_token] * (max_len - len(seq)) for seq in sequences
      ]
  
imports: import gzip
  import os
  import sys
  import re
  import random
  import numpy
  import torch
label_desc: Use image node_id 11 for calling a global function with example usage: pad(sequences, pad_token, pad_left) and returns: unknown, unknown