import numpy as np
import cv2 as cv
##picpath=input()
picpath="E://pic//1.png"
## 定义显示函数(窗口name,图片路径)
def picpath_play(name,picpath):
img=cv.imread(picpath)
cv.imshow(name,img)
cv.waitKey(0)
cv.destroyAllWindows()
picpath_play("based on path",picpath)