code: def clear(self):
          '''
          Remove all existing done markers and the file used to store the dones.
          '''
          if os.path.exists(self.path):
              os.remove(self.pathf clear(self):
          '''
          Remove all existing done markers and the file used to store the dones.
          '''
          if os.path.exists(self.path):
              os.remove(self.path)
docs: Remove all existing done markers and the file used to store the dones.