                        '\\section{Exercises',
                        '\\section{Discussions',
                        '\\subsection{Summary',
                        '\\subsection{Exercise',
                        '\\subsection{Exercises',
                        '\\subsection{Discussions'}
          for unnum in UNNUMBERED:
              if l.startswith(unnum):
                  return True
          return False
  
 
</s> remove                       '\\section{Exercises',
                      '\\section{Discussions',
 </s> add                       '\\section{Exercises' </s> remove     lines = _delete_discussions_title(lines)
 </s> add     #lines = _delete_discussions_title(lines)
                      '\\subsection{Exercises'}
                        '\\section{Exercises',
                        '\\section{Discussions',
                        '\\subsection{Summary',
                        '\\subsection{Exercise',
                      '\\subsection{Exercises'}
                      '\\subsection{Exercises'}
          for unnum in UNNUMBERED:
              if l.startswith(unnum):
                  return True
          return False
  
keep keep keep keep replace replace keep keep keep keep keep
 re-enable discussion section as numbered 
static/post_latex/main.py