code: def read_longs(f, n):
      a = np.empty(n, dtype=np.int64)
      f.readinto(a)
      return a
  
imports: import os
  import shutil
  import struct
  from functools import lru_cache
  from itertools import accumulate
  import numpy
  import torch
label_desc: Use image node_id 7 for calling a global function with example usage: read_longs(f, n) and returns: a