Obfuscated Python lists using map and reduce.

list_07_map.py

import functools

a = [5, 7, 9, 11]
b = [1, 20, 30, 40]
c = [3, 3, 3, 6]

answers = list(map(lambda x, y, z: (x + y) / z, a, b, c))
assert answers == [2.0, 9.0, 13.0, 8.5]

summation = functools.reduce(lambda x, next_reduce: x + next_reduce, [2.0, 9.0, 13.0, 8.5])
assert summation == 32.5