code: 
  import os
  
  ids = [d for d in os.listdir(VOX_CELEB_LOCATION) if d[0:2] == 'id']
  
  
  train = ids[0:int(0.7*len(ids))]
  val = ids[int(0.7*len(ids)):int(0.8*len(ids))]
  test = ids[int(0.8*len(ids)):]
  
  import numpy as np
  np.save('./large_voxceleb/train.npy', np.array(train))
  np.save('./large_voxceleb/test.npy', np.array(test))
  np.save('./large_voxceleb/val.npy', np.array(val))
  
  print(np.array(val).shape)
  print(val[0])
  
apis: numpy.array