code: def forward(self, x):
      x = self.stem(x)
  
      x = self.stack_cell1(x)
      x = self.reduction1(x)
  
      x = self.stack_cell2(x)
      x = self.reduction2(x)
  
      x = self.stack_cell3(x)
  
      x = self.top(x)
      return x
  
file_path: singa/examples/model_selection/TRAILS-Database-Native-Model-Selection/internal/ml/model_selection/src/third_pkg/sp201_lib/nasbench2.py
imports: from .nasbench2_ops import *
label_desc: Use image node_id 2 for calling the NAS201Model obj's underlying member method code with example usage: obj.forward(x) and returns: x