인덱스 0번에는 ㅂㅂㅂㅂㅂㅂ
1번에는 ㅈㅈㅈㅈ 들어올줄알았는데 코드에 이상있는건가


// prants 컴포
let [MultiplechoiceQ, setMultiplechoiceQ] = useState([]);

// child 컴포
let onChange = useCallback(
(e) => {
// props.setMultiplechoiceQ(props.MultiplechoiceQ.concat(e.target.value));
// props.setMultiplechoiceQ((props.MultiplechoiceQ[index] = e.target.value));
props.MultiplechoiceQ[index] = e.target.value;
console.log("e.target.value : ", e.target.value, "MultiplechoiceQ : ", props.MultiplechoiceQ, props.index);
},
[props.MultiplechoiceQ, props.index]
);