week11 week12 week13 week14 풀었습니다

Insung-Jo/level_0/배열 뒤집기.js

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+function solution(num_list) {
+  return num_list.reverse();
+}

Insung-Jo/level_0/배열의 평균값.js

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+function solution(numbers) {
+  let sum = 0;
+  numbers.forEach((number) => (sum += number));
+  const result = sum / numbers.length;
+  return result;
+}

Insung-Jo/level_0/제곱수 판별하기.js

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+function solution(n) {
+  const result = Math.sqrt(n);
+
+  if (n % result === 0) return 1;
+  return 2;
+}

Insung-Jo/level_0/짝수 홀수 개수.js

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+function solution(num_list) {
+  var answer = num_list;
+  const even = answer.filter((num) => num % 2 === 0).length;
+  const odd = answer.filter((num) => num % 2 === 1).length;
+
+  const result = [even, odd];
+
+  return result;
+}