cv2_videoCam.py

import cv2

cap = cv2.VideoCapture(0)

while True:
    ret,frame = cap.read()

    if ret == False:
        continue
    
    cv2.imshow("Video Frame",frame)

    key = cv2.waitKey(1) & 0xFF
    if key == ord('q'):
        break

cap.release()
cv2.destroyAllWindows()