const args = process.argv.slice(2);

const rollDice = args => {
  let diceRoll = [];

  for (let i = 0; i < args[0]; i++) {
    diceRoll.push(Math.floor(Math.random() * 6) + 1)
  }
  return "Rolled " + args[0] + " dice: " + diceRoll;
}

console.log(rollDice(args));