code: def forward(self, x, edge_index, edge_weight=None):
      x = F.dropout(x, p=0.5, training=self.training)
      x = self.conv1(x, edge_index, edge_weight).relu()
      x = F.dropout(x, p=0.5, training=self.training)
      x = self.conv2(x, edge_index, edge_weight)
      return x
  
file_path: pytorch_geometric/examples/gcn.py
imports: import argparse
  import os.path
  import time
  import torch
  import torch.nn.functional
  import torch_geometric.transforms
  from torch_geometric.datasets import Planetoid
  from torch_geometric.logging import init_wandb, log
  from torch_geometric.nn import GCNConv
label_desc: Use image node_id 2 for calling the GCN obj's underlying member method code with example usage: obj.forward(x, edge_index, edge_weight) and returns: x