code: def forward(self, features):
      h = features
      for i, layer in enumerate(self.layers):
          if i != 0:
              h = self.dropout(h)
          h = layer(self.g, h)
      return h
  
file_path: dgl/examples/mxnet/gcn/gcn.py
imports: import dgl
  import mxnet
  from dgl.nn.mxnet import GraphConv
  from mxnet import gluon
label_desc: Use image node_id 2 for calling the GCN obj's underlying member method code with example usage: obj.forward(features) and returns: h