code: def __init__(self, node_id, weight, node_type, gmeta):
      self.id = node_id
      self.weight = weight
      self.type = node_type
      self.dense = []
      self.sparse = []
      self.binary = []
      self.neighbor = []
      self.in_neighbor = []
      self.preprocess_feature_idx(gmeta)
  
file_path: euler/euler/tools/node.py
imports: import struct
  from euler.tools.util import *
label_desc: Use image node_id 1 to create a new Node object from inherited base classes: object with example: obj = Node(node_id, weight, node_type, gmeta)