code: def _get_unmanaged_files(self, managed, system_all):
          '''
          Get the intersection between all files and managed files.
          '''
          m_files, m_dirs, m_links = managed
          s_files, s_dirs, s_links = system_all
  
          return (sorted(list(set(s_files).difference(m_files))),
                  sorted(list(set(s_dirs).difference(m_dirs))),
                  sorted(list(set(s_links).difference(m_links)))f _get_unmanaged_files(self, managed, system_all):
          '''
          Get the intersection between all files and managed files.
          '''
          m_files, m_dirs, m_links = managed
          s_files, s_dirs, s_links = system_all
  
          return (sorted(list(set(s_files).difference(m_files))),
                  sorted(list(set(s_dirs).difference(m_dirs))),
                  sorted(list(set(s_links).difference(m_links))))
docs: Get the intersection between all files and managed files.