code: def save(self):
          '''Save current property list representation to the original file.'''
          with open(self.filename, 'w') as plist_file:
              plist_file.write(str(self.soup)f save(self):
          '''Save current property list representation to the original file.'''
          with open(self.filename, 'w') as plist_file:
              plist_file.write(str(self.soup))
docs: Save current property list representation to the original file.