text: (function(){
  "use strict"
  
  const addOne = function(testCases, numbers) {
  	if (numbers.length !== testCases){
  		return "Error: number of testcases expected is "+testCases+"; number of numbers given is "+numbers.length;
  	}
  
  	var outputs = [];
  	for (var i = 0; i < testCases; i++) {
  		outputs[i] = 0;
  	}
  
  	var lastDigit = 0;
  	var multiplier = 1;
  	// i = 1;
      for (var i = 0; i < testCases; i++) {
      	while (numbers[i] != 0) {
  	    	lastDigit = parseInt(numbers[i]%10)+1;
  	    	outputs[i] = outputs[i] + (lastDigit*multiplier);
  	    	multiplier = multiplier*10;
  	    	numbers[i] = parseInt(numbers[i]/10);
  	    }
  	    lastDigit = 0;
  	    multiplier = 1;
      }
  
      return outputs;
  
  }
  
  module.exports = addOne;
  
  })();  