obj=open('object_points.txt','r')
for i in range(len(object_points)):
    if i>0:
          print('*\n')
    for j in range(len(object_points[i])):
          obj.write(' '.join([str(k) for k in object_points[i][j]])+'\n')
obj.close()

img=open('image_points.txt','r')
for i in range(len(image_points)):
    if i>0:
          print('*\n')
    for j in range(len(image_points[i])):
          img.write(' '.join([str(k) for k in image_points[i][j]])+'\n')
img.close()