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function cifrar( $array ) { $palabracifrada = foreach($num in 0..($array.Length-1)) { [char]([Int]$array[$num]+1) } $palabracifrada -join "" } $cifrada = cifrar hola function descifrar( $cifrada ) { $palabradescifrada = foreach($num in 0..($cifrada.Length-1)) { [char]([Int]$cifrada[$num]-1) } $palabradescifrada -join "" } descifrar $cifrada |