how to read web cam capture on opencv code example

Example 1: how to capture an image with web cam open cv

cam = cv2.VideoCapture(0)

image = cam.read()[1]

cv2.imshow("image", image)

cv2.waitKey(0)
cv2.destroyAllWindows()

Example 2: how to show webcam in opencv

import cv2

cap = cv2.VideoCapture(0)

while True:
    success, img = cap.read()
    cv2.imshow("Webcam", img)
    if cv2.waitKey(1) == ord('q'):
        break