text: function average(numbers) {
    
    let res = 0;
    let count = numbers.length;
  
    numbers.map((val,i)=>{
      if(isNaN(val)){
        count -= 1
      }
      else{
        res += val;
      }
    })
  
    return res/count
  
  }
  
  module.exports = {average};
  