# coding: utf-8

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import numpy as np
import matplotlib.pyplot as pt


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from PIL import Image


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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)


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andreas = load_image("andreas.jpeg")


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


# Let's get a little creative... (`vmin` and `vmax` as keyword arguments on `imshow` might be handy)

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


# ---------------------

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dicaprio = load_image("dicaprio.jpeg")


# Now let's try something truly scary...

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


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