grey camera.py

import cv2
  
capture = cv2.VideoCapture(0)
  
while(True):
      
    ret, frame = capture.read()
 
    grayFrame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
 
    cv2.imshow('video gray', grayFrame)
    
      
    if cv2.waitKey(1) == 27:
        break
  
capture.release()
cv2.destroyAllWindows()