code: def __init__(self, item, uuid: int) -> None:
      self.item = item
      self.uuid = uuid
      self.edges: dict[Vertex, float] = {}
      self.r_edges: dict[Vertex, float] = {}
      self.flags: set[Vertex] = set()
      self.worst_edge: Vertex | None = None
  
imports: from __future__ import annotations
  import heapq
  import itertools
  import math
  import random
  from river import base
label_desc: Use image node_id 1 to create a new Vertex object from inherited base classes: base with example: obj = Vertex(item, uuid)