map returning tuples

numbers = [1, 2, 3, 4]

pairs = map(lambda n: (n, 2*n), numbers)
print(pairs)

for pair in pairs:
    print(pair)

Output:

<map object at 0x7fcd264a15f8>
(1, 2)
(2, 4)
(3, 6)
(4, 8)