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Program 1
import cv2
img=cv2.imread("D://opencvapp//vivek1.jpg")
img=cv2.resize(img,(300,300))
#img=cv2.resize(img,(0,0),fx=0.3,fy=0.3)
cv2.imwrite("viveknew.jpg",img)
cv2.imshow('Image Window',img)
cv2.waitKey(0)
cv2.destroyAllWindows()