update

src/main/python/kr/co/swh/lecture/opensource/html/schoolFood.py

     soup = BeautifulSoup(html, 'html.parser')  # html.parser를 사용해서 soup에 넣겠다
     for day in soup.select('div[class="dayBox"]'):
         print(day.select('span')[0].text)
-        print(day.select('div[class="content"] div[class="tabContent on"] a')[0].text.strip())
+        yy = day.select('div[class="content"] div[class="tabContent on"] a')
+        if len(yy) > 0:
+            print(yy[0].text.strip())
         print("---------------------")