思考问题:
代码片段1
class GCN(nn.Module):
def __init__(self, in_features, hidden_features, out_features):
super(GCN, self).__init__()
self.conv1 = GCNConv(in_features, hidden_features)
self.conv2 = GCNConv(hidden_features, out_features)
def forward(self, x, edge_list, device, edge_attr=None