튜플 공부할려는데 파일이 첨부 안되어있습니다.

안녕하세요.

섹션1 : 예제문서 & 예제파일(2021.01.06)

목록에 가셔서 아래 이미지와 같은 수업 자료를 클릭하시면 다운받으실 수 있어요.

예제문서 & 예제파일(2021.01.06)<button class="infd-button is-primary-500 has-icon is-p-14 e-download" data-id="64635" style="box-sizing:inherit;margin:0px 12px 0px 0px;font-family:'Noto Sans KR', -apple-system, system-ui, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif, Oxygen, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', Helvetica;display:inline-flex;align-items:center;justify-content:center;padding:0px 14px;height:36px;font-size:15px;border-radius:3px;cursor:pointer;border:unset;transition:all 0.15s ease 0s;background-color:#00c471;color:#ffffff;line-height:1.47"><span class="infd-icon" style="box-sizing:inherit;font-weight:inherit;font-style:inherit;display:inline-flex;align-items:center;justify-content:center;transition:background-color 0.15s ease 0s;margin-right:4px;width:20px;height:20px"><svg width="18" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 18 13"><path fill="#ffffff" fill-rule="evenodd" d="M15.292 4.878c-.113-1.683-1.471-3.02-3.142-3.02-.214 0-.425.022-.63.066C10.623.764 9.228 0 7.65 0 5.27 0 3.277 1.732 2.804 4.057 1.122 4.762 0 6.454 0 8.357 0 10.922 2.014 13 4.5 13h9.45C16.186 13 18 11.128 18 8.821c0-1.793-1.102-3.36-2.708-3.943zm-1.342 6.73H4.5c-1.74 0-3.15-1.455-3.15-3.25 0-1.637 1.173-2.993 2.7-3.219v-.032c0-2.051 1.612-3.714 3.6-3.714 1.505 0 2.793.952 3.33 2.304.315-.279.723-.447 1.17-.447.993 0 1.8.833 1.8 1.857 0 .343-.09.665-.247.94.081-.008.165-.011.247-.011 1.49 0 2.7 1.247 2.7 2.785s-1.21 2.786-2.7 2.786zm-3.161-5.12c-.132-.136-.349-.136-.481.003l-1.533 1.62V4.061c0-.191-.152-.348-.338-.348h-.674c-.186 0-.338.157-.338.349V8.11L5.892 6.491c-.132-.139-.346-.139-.48-.003l-.476.49c-.132.137-.132.358 0 .494L7.86 10.49c.132.136.346.136.478 0l2.925-3.018c.132-.136.132-.357 0-.493l-.475-.49z"></path></svg></span>수업 자료</button>