๐จ๐ปโ pyoungt.tistory.com/m IT๊ฐ๋ฐ ๋ธ๋ก๊ทธ ๐จ๐ป ๋๋ณด๊ธฐ ๊ตฌ๋ ์ 3 ๋ฐฉ๋ช ๋ก ๋ฐฉ๋ฌธํ๊ธฐ