loop-openCV-en.py

import cv2
# if (you have only 1 webcam){ set device = 0} else{ chose your favorite webcam setting device = 1, 2 ,3 ... }
cap = cv2.VideoCapture(0)
while True:
  # Getting our image by webcam and converting it into a gray image scale
    _, image = cap.read()
    gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
    
    # show the gray image
    cv2.imshow("Output", image)
    
    #key to give up the app.
    k = cv2.waitKey(5) & 0xFF
    if k == 27:
        break
cv2.destroyAllWindows()
cap.release()