code: def __init__(self, env, lap_complete_percent):
      contactListener.__init__(self)
      self.env = env
      self.lap_complete_percent = lap_complete_percent
  
imports: import math
  from typing import Optional, Union
  import numpy
  import gym
  from gym import spaces
  from gym.envs.box2d.car_dynamics import Car
  from gym.error import DependencyNotInstalled, InvalidAction
  from gym.utils import EzPickle
label_desc: Use image node_id 1 to create a new FrictionDetector object from inherited base classes: contactListener with example: obj = FrictionDetector(env, lap_complete_percent)