import matplotlib.pyplot as plt
from matplotlib.collections import PathCollection
from matplotlib.path import Path

# https://matplotlib.org/stable/gallery/shapes_and_collections/compound_path.html

paths = [
    Path(
        [(1, 1), (1, 2), (2, 2), (2, 1), (0, 0)],
        [Path.MOVETO] + [Path.LINETO] * 3 + [Path.CLOSEPOLY]
    ),
    Path(
        [(4, 4), (5, 5), (5, 4), (0, 0)],
        [Path.MOVETO] + [Path.LINETO] * 2 + [Path.CLOSEPOLY]
    ),
]

fig, ax = plt.subplots()
collection = PathCollection(
    paths,
    edgecolors='black',
    facecolors=['blue', 'none'],
    alpha=[1, 1],
    # alpha=1
)
collection.set_transform(ax.transData)
ax.add_artist(collection)
ax.set(xlim=(0, 5), ylim=(0, 5))
plt.show()