text: import pickle
  
  import matplotlib.image as mpimg
  import matplotlib.pyplot as plt
  import numpy as np
  from IPython.display import HTML
  from moviepy.editor import VideoFileClip
  
  import cv2
  from lesson_functions import *
  
  from test_video import *
  from test_adv_lane_video import *
  
  def process_image(img):
      lane_img = process_adv_lane_video_img(img)
      result_img = process_veh_detect_video_img(lane_img)
  
      return result_img
  
  Output_video = 'output_project_combined_video_scaled.mp4'
  Input_video = 'project_video.mp4'
  
  clip1 = VideoFileClip(Input_video)
  video_clip = clip1.fl_image(process_image)
  video_clip.write_videofile(Output_video, audio=False)
  
  