code: def filepaths_in_dir(path):
      
      filepaths = []
      for root, directories, filenames in os.walk(path):
          for filename in filenames:
              filepath = os.path.join(root, filename)
              filepath = filepath.replace(path, '').lstrip('/')
              filepaths.append(filepath)
      return filepaths
docs: Find all files in a directory, and return the relative paths to those files.
  
      Args:
          path (str): the directory path to walk
  
      Returns:
          list: the list of relative paths to all files inside of ``path`` or its
              subdirectories.