[OpenCV] Python - Flip Image

import cv2

img = cv2.imread('panda.png', cv2.IMREAD_COLOR)

# code == 0 상하
res = cv2.flip(img, 0)
# code < 0 상하좌우
# code > 0 좌우
cv2.imshow('panda', img)
cv2.imshow('reverse', res)
cv2.waitKey()
cv2.destroyAllWindows()