code: def euclidean_distance(x, y):
      """This is the squared Euclidean distance."""
      return torch.sum((x - y) ** 2, dim=-1)
  
file_path: DIG/dig/auggraph/method/SMixup/utils/utils.py
imports: from torch_geometric.utils import degree
  import torch
label_desc: Use image node_id 1 for calling a global function with example usage: euclidean_distance(x, y) and returns: torch