map for more than one iterable

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Lets "add" together two lists of numbers. Using + will just join the two lists together, but we can use the "map" function to add the values pair-wise.

examples/functional/map_add.py

v1 = [1, 3, 5, 9]
v2 = [2, 6, 4, 8]

v3 = v1 + v2
print(v3)

sums = map(lambda x,y: x+y, v1, v2)
print(sums)
print(list(sums))

[1, 3, 5, 9, 2, 6, 4, 8]
<map object at 0x7fcbecc8c668>
[3, 9, 9, 17]