# even.squares.py
# using map and filter
sq1 = list(
    map(lambda n: n ** 2, filter(lambda n: not n % 2, range(10)))
)

# equivalent, but using list comprehensions
sq2 = [n ** 2 for n in range(10) if not n % 2]

print(sq1, sq1 == sq2)  # prints: [0, 4, 16, 36, 64] True