class_docstr: Implement of SGC
class_docstr_tok: ["Implement","of","SGC"]
code: def forward(self, graph, feature):
      feature = graph.node_feat["words"]
      feature = self.sgc_layer(graph, feature)
      return feature
  
imports: import pgl
  import paddle.nn
  import paddle.nn.functional
label_desc: Use image node_id 2 for calling the SGC obj's underlying member method code with example usage: obj.forward(graph, feature) and returns: feature