How to write on an image

writetext

import numpy as np
import cv2

# Create a black image
#img = np.zeros((512,512,3), np.uint8)
img = cv2.imread('images/test_image.png')

# Write some Text
font = cv2.FONT_HERSHEY_SIMPLEX
cv2.putText(img,'Hello World!',(10,200), font, 1,(255,255,255),2)

#Display the image
cv2.imshow("img",img)

#Save image
cv2.imwrite("out.jpg", img)

cv2.waitKey(0)
#
#
#
# font = cv2.FONT_HERSHEY_SIMPLEX
# cv2.putText(img,'Hello World!',(10,500), font, 1,(255,255,255),2)
cv2.imwrite('images/writtenon.png',img)