Apr 6, 2022 · Mar 31, 2022 · Mar 31, 2022 · Mar 31, 2022 · Mar 31, 2022 · Apr 1, 2022
diff --git a/level-1/평균-구하기.js b/level-1/평균-구하기.js
Original file line number	Diff line number	Diff line change
Expand Up		@@ -13,4 +13,13 @@ function solution(arr) {
		answer += arr[i]
		}
		return answer / arr.length;
	}
	}


	//정답 3 - chaerin-dev
	function solution(arr) {
	// arr의 모든 요소를 sum에 더힘
	let sum = arr.reduce((sum, e) => sum + e);
	// sum을 arr의 요소의 갯수로 나눈 후 반환
	return sum / arr.length;
	}