function min(numbers: number[]): number | undefined {
  if(numbers.length === 0) return null;
  if(!numbers) return null;

  let minNum = 0;

  for(let i = 0; i <= numbers.length; i++) {
    for(let k = 1; k <= numbers.length; k++) {
      if(numbers[i] < numbers[k]) {
        minNum = numbers[i]
      }
    }
  }


  return minNum ;
}

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