import cv2
import numpy as np
cam1 = cv2.VideoCapture(1)
cam2 = cv2.VideoCapture(2)
while (1):
 _,frame1 = cam1.read()
 cv2.imshow('frame1',frame1)
 _,frame2 = cam2.read()
 cv2.imshow('frame2',frame2)
 k = cv2.waitKey(5) & 0xFF
 if k == 27:
  break
cam1.release()
cam2.release()
cv2.destroyAllWindows()