code: def cosine_similarity(a: carla.Vector3D, b: carla.Vector3D) -> float:
      """-1: opposite vectors (pointing in the opposite direction),
      0: orthogonal,
      1: exactly the same (pointing in the same direction)
      """
      return dot_product(a, b) / (vector_norm(a) * vector_norm(b))
  
imports: import os
  import cv2
  import math
  import random
  import numpy
  import carla
  import pygame
  import threading
  import datetime
  from typing import Union
  from tensorforce.agents import Agent
label_desc: Use image node_id 25 for calling a global function with example usage: cosine_similarity(a, b) and returns: unknown