import Foundation func solution(_ strlist:[String]) -> [Int] { return strlist.map { $0.count } }

import Foundation func solution(_ num_list:[Int]) -> [Int] { return num_list.reversed() }

import Foundation func solution(_ numbers:[Int]) -> [Int] { return numbers.map{$0 * 2} }

import Foundation func solution(_ my_string:String) -> String { return String(my_string.reversed()) }

import Foundation func solution(_ my_string:String) -> String { my_string.map { String($0).lowercased() }.sorted().joined() }

import Foundation func solution(_ my_string:String) -> [Int] { return my_string.compactMap { Int(String($0)) }.sorted() }

import Foundation func solution(_ A:String, _ B:String) -> Int { let arr = (A+A).components(separatedBy: B) return arr.count == 1 ? -1 : arr[1].count }

import Foundation func solution(_ my_string:String) -> String { return String(my_string.reversed()) }