notebook 코드 감추기 & '코드 감추기' 버튼 추가

• 문서의 제일 위에 추가
• http://protips.maxmasnick.com/hide-code-when-sharing-ipython-notebooks

import IPython.core.display as di
 
# This line will hide code by default when the notebook is exported as HTML
di.display_html('<script>jQuery(function() {if (jQuery("body.notebook_app").length == 0) { jQuery(".input_area").toggle(); jQuery(".prompt").toggle();}});</script>', raw=True)
 
# This line will add a button to toggle visibility of code blocks, for use with the HTML export version
di.display_html('''<button onclick="jQuery('.input_area').toggle(); jQuery('.prompt').toggle();">Toggle code</button>''', raw=True)