import numpy as np
import matplotlib.pyplot as pt

from PIL import Image


def load_image(name):
    with Image.open(name).resize((500,500)) as img:
        return np.sum(np.array(img), axis=-1).astype(np.float32)/(3*255)


andreas = load_image("andreas.jpeg")

# keep
pt.imshow(andreas, cmap="gray")

pt.imshow(3*andreas, cmap="gray", vmin=0, vmax=1)

dicaprio = load_image("dicaprio.jpeg")

pt.imshow(andreas + dicaprio, cmap="gray")