71. 조건에 맞게 수열 변환하기 1

import Foundation

func solution(_ arr:[Int]) -> [Int] {
    
    var answer : [Int] = []
    
    answer = arr
    
    for i in answer.indices {
        
        if answer[i] >= 50 && answer[i] % 2 == 0 {
            answer[i] = answer[i] / 2
        } else if answer[i] < 50 && answer[i] % 2 != 0 {
            answer[i] = answer[i] * 2
        } else {
            continue
        }
        
    }
    
    
    return answer
}