import numpy as np 
import cv2

cap=cv2.VideoCapture(0)
ret, frame = cap.read()
while(True):
    ret, frame = cap.read()
    gray=cv2.cvtColor(frame,cv2.COLOR_BGR2RGB)
    cv2.imshow('frame',gray)
    if cv2.waitKey(1) & 0xFF ==ord('q'):
        break
cap.release()
cv2.destroyAllWindows()
