import cv2
cap = cv2.VideoCapture(0)
while 1:
ret, frame = cap.read()
cv2.imshow("frame", frame)
if cv2.waitKey(1) == ord(" "):
break
cap.release()
cv2.destroyAllWindows()

import cv2
cap = cv2.VideoCapture(0)
while 1:
ret, frame = cap.read()
cv2.imshow("frame", frame)
if cv2.waitKey(1) == ord(" "):
break
cap.release()
cv2.destroyAllWindows()