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Swift question: let years = [15, 2, 67, 4, 5] let sum = years.filter({ $0 < 10 }).map({ $0 * 2 }).reduce(5, +) print(sum) Which of the following will be printed out to the console? A. [30, 4, 134, 88, 10] //yes, it's 88. I know you may have expected an 8, but I suspect a typo on their part (as in many other places) B. [5, 4, 8, 10] C. 14 D. 17 E. 19
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Senior IOS Developer

Interviewed at Turing

3.5★
Jul 10, 2020

Swift question: let years = [15, 2, 67, 4, 5] let sum = years.filter({ $0 < 10 }).map({ $0 * 2 }).reduce(5, +) print(sum) Which of the following will be printed out to the console? A. [30, 4, 134, 88, 10] //yes, it's 88. I know you may have expected an 8, but I suspect a typo on their part (as in many other places) B. [5, 4, 8, 10] C. 14 D. 17 E. 19

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