let fruit_list = ['사과','감','감','배','포도','포도','딸기',

'포도','감','수박','딸기']

let count=0;

 fruit_list.map(value,i){

     let podo_list = fruit_list[i]

        if(podo_list == '포도') {

          count +=1}

          console.log (count)}