text: import cv2
  import PIL
  import helping_functions as hf
  
  v=cv2.VideoCapture(0)
  _, frame=v.read()
  flag=0
  while(True):
      ret, frame=v.read()
      frame=hf.new_rectifier(cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY))
      img=PIL.Image.fromarray(frame)
      ke=cv2.waitKey(1)
      if ke==ord('q'):
          break
      if ke==ord('s'):
          cv2.destroyAllWindows()
          flag=1
      if ke==ord('d'):
          cv2.destroyAllWindows()
          flag=0
      if flag==1:
          op=hf.output_multiple(img)
          frame=cv2.putText(frame,str(op),(0,105), cv2.FONT_HERSHEY_SIMPLEX, 0.75,(150,150,150),2,cv2.LINE_AA)
          cv2.imshow('Testing: S:Start Detection | D:Stop Detection| Q:Quit', frame)
      if flag==0:
          cv2.imshow('Testing: S:Start Detection | D:Stop Detection| Q:Quit', frame)
  
  
  v.release()
  cv2.destroyAllWindows()
  
  