function filterPositive(numbers: number[]): number[] {
  let positiveNumbers : number[] = []

  for ( let i : number = 0; i < numbers.length; i ++ ){
    numbers[i] > 0  && positiveNumbers.push(numbers[i])
  }
  
  return positiveNumbers;
}

// No modificar: necesario para evaluar el resultado.
export { filterPositive };