If you’re lazy (like me), `scikit-image`’s `montage` function is golden. One-liner to arrange images in a grid.
```python
from skimage.util import montage
grid = montage([img1, img2, img3, img4])
```
```python
from skimage.util import montage
grid = montage([img1, img2, img3, img4])
```
