@@ -101,6 +101,8 @@
     const transportation = data.reduce(function(obj,item){
       if(!obj[item]){
         obj[item] = 0;
+        //ie bike = 0;
+        //ie car = 0;
       }
       obj[item]++;
       return obj;
Original file line number	Diff line number	Diff line change
`@@ -101,6 +101,8 @@`
`101`	`101`	`const transportation = data.reduce(function(obj,item){`
`102`	`102`	`if(!obj[item]){`
`103`	`103`	`obj[item] = 0;`
	`104`	`+ //ie bike = 0;`
	`105`	`+ //ie car = 0;`
`104`	`106`	`}`
`105`	`107`	`obj[item]++;`
`106`	`108`	`return obj;`