text: 
  import cv2
  import csv
  def readline():
      lines = []
  
      with open('line.csv','r') as file:
          csv_data = csv.reader(file)
          for row in csv_data:
              line = []
              for r in row:
                  line.append(int(r))
              lines.append(line)
      return lines
  
  def draw(frame):
      line = readline()
      for i in range(len(line)-1):
  
          p1 = (int(line[i][0]),int(line[i][1]))
          p2 = (int(line[i+1][0]),int(line[i+1][1]))
          cv2.line(frame, p1, p2, (0, 255, 255), 3)