test

import cv2
import numpy as np

def tracking():
    cap=cv2.VideoCapture (-1 , cv2.CAP_V4L )
    cap.set(3,320)
    cap.set(4,240)

    while  true:
             ret, frame = cap.read()
             
             cv2.imshow('video',frame)

             if cv2.waitKey(1) & 0xff == ord('q'):
                 break
   cv2.destroyAllWindows()

tracking()