python——同時顯示多張影像

import cv2
from matplotlib import pyplot as plt
#讀取檔案
a=cv2.imread('your/filename.jpg')
b=cv2.imread('your/filename.jpg')
c=cv2.imread('your/filename.jpg')
d=cv2.imread('your/filename.jpg')
#title命名
titles = ['a','b','c','d']

images = [a,b,c,d]

for i in range(6):
    plt.subplot(2,3,i+1),plt.imshow(images[i],'gray')
    plt.title(titles[i])
    plt.xticks([]),plt.yticks([])
plt.show()