# Double all numbers using map and lambda numbers = (1, 2, 3, 4) result = map(lambda x: x + x, numbers) print(list(result)) # output :- # 1 + 1 = 2 / 2 + 2 = 4 / 3 + 3 = 6 / 4 + 4 = 8 [2, 4, 6, 8]