part1-3_videostream.py

import cv2

cap = cv2.VideoCapture(0)
cap.set(3,640) # adjust width
cap.set(4,480) # adjust height

while True:
    success, img = cap.read()
    cv2.imshow("Webcam", img) # This will open an independent window
    if cv2.waitKey(1) & 0xFF==ord('q'): # quit when 'q' is pressed
        cap.release()
        break
        
cv2.destroyAllWindows() 
cv2.waitKey(1)