code: def argsort_list_descent(lst):
      return numpy.argsort([-len(x) for x in lst]).astype(numpy.int32)
  
imports: import numpy
  import six
  import chainer
  from chainer.functions.array import permutate
  from chainer.functions.array import transpose_sequence
  from chainer.functions.rnn import n_step_rnn
  from chainer import initializers
  from chainer import link
  from chainer.utils import argument
  from chainer import variable
label_desc: Use image node_id 1 for calling a global function with example usage: argsort_list_descent(lst) and returns: numpy