I am working on a usecase to process a document list data. But in some of the cases I dont have proper list structure. It happens instead of setting up 1, 1.1, 1.1.1 , 2, a, b, c,3 etc are not actual list but normal stri…...append([]) current_level[len(level_parts) - 1].append(content)...append(content) else: current_level[0].append(content) return current_level...