# how to Save only the eye image after the detection with opencv?

hello I need your help, i try to save only the eyes , nose , mouth after the detection with open cv.

import numpy as np
import cv2

gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)

for (x,y,w,h) in faces:
cv2.rectangle(img,(x,y),(x+w,y+h),(255,0,0),2)
roi_gray = gray[y:y+h, x:x+w]
roi_color = img[y:y+h, x:x+w]