Question

How to print array elements in groups of 2 with Swift

Answer 1

import Foundation

let array = [1, 2, 3, 4, 5, 6, 7, 8, 9]

for i in stride(from: 0, to: array.count, by: 2) {
    let group = Array(array[i..<min(i + 2, array.count)])
    print(group)
}



/*
run:

[1, 2]
[3, 4]
[5, 6]
[7, 8]
[9]

*/

 

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