code: def ResNet50():
      model = ResNet(layers=50)
      return model
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from builtins import chr
  from builtins import str
  from builtins import range
  from builtins import object
  import math
  import paddle
  import paddle.fluid
  from paddle.fluid.param_attr import ParamAttr
label_desc: Use image node_id 3 for calling a global function with example usage: ResNet50() and returns: model