code: def conv3x3(cin, cout, stride=1, groups=1, bias=False):
      return StdConv2d(
          cin,
          cout,
          kernel_size=3,
          stride=stride,
          padding=1,
          bias_attr=bias,
          groups=groups,
      )
  
file_path: PaddleSeg/contrib/MedicalSeg/medicalseg/models/backbones/resnet.py
imports: from os.path import join
  import paddle
  import paddle.nn
  import paddle.nn.functional
  from medicalseg.cvlibs import manager
label_desc: Use image node_id 1 for calling a global function with example usage: conv3x3(cin, cout, stride, groups, bias) and returns: StdConv2d