text: 
  exports.min = function min (array) {
    return Math.min (...array);
  }
  
  exports.max = function max (array) {
    return Math.max (...array);
  }
  
  exports.avg = function avg (array) {
    for (let i=0; i<array.length; i++){
      total +=array[i];
    }
    return avg=total/array.length;
  }
  