code: def set_trainable(l, b):
      apply_leaf(l, lambda m: set_trainable_attr(m, b))
  
imports: import torch
  import logging
  import torch.nn
  import torch.nn.functional
  from torchvision import models
  from itertools import chain
  import numpy
  from collections import OrderedDict
label_desc: Use image node_id 5 for calling a global function with example usage: set_trainable(l, b) without return types