code: def _init_weight(self):
      nn.init.normal_(self.user_embedding.weight, std=1e-2)
      nn.init.normal_(self.item_embedding.weight, std=1e-2)
      nn.init.normal_(self.logit.weight, std=1e-2)
  
imports: import torch
  import torch.nn
label_desc: Use image node_id 2 for calling the GMF obj's underlying member method code with example usage: obj._init_weight() without return types