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let anyType1: Any = 2
let anyType2: Any = 3
if let int1 = anyType1 as? Int, let int2 = anyType2 as? Int {
    print("Сумма чисел: ", int1 + int2)
}KG

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public extension Array {
  subscript (safe index: Int) -> Element? {
    return indices ~= index ? self[index] : nil
  }
}AT
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