text: function solve([x1, y1, z1, x2, y2, z2]) {
      let dist = Math.sqrt(Math.pow((x1 - x2), 2) + Math.pow((y1 - y2), 2) + Math.pow((z1 - z2), 2));
      console.log(dist);
  }
  
  solve([1, 1, 0, 5, 4, 0]);
  solve([3.5, 0, 1, 0, 2, -1]);
  