code: def conv3x3(in_planes, out_planes, stride=1):
      return nn.Conv2d(
          in_planes,
          out_planes,
          kernel_size=3,
          stride=stride,
          padding=1,
          bias=False,
      )
  
file_path: ENAS-pytorch/models/shared_cnn.py
imports: import numpy
  from collections import defaultdict, deque
  import torch
  from torch import nn
  import torch.nn.functional
  from torch.autograd import Variable
  from models.shared_base import *
  from utils import get_logger, get_variable, keydefaultdict
label_desc: Use image node_id 1 for calling a global function with example usage: conv3x3(in_planes, out_planes, stride) and returns: nn