code: def removeSubfolders(self, folder: List[str]) -> List[str]:
      ans = []
      for i, path in enumerate(sorted(folder)):
          if i == 0 or not path.startswith(ans[-1] + "/"):
              ans.append(path)
      return ans
  
label_desc: Use image node_id 1 for calling the Solution obj's underlying member method code with example usage: obj.removeSubfolders(folder) and returns: ans