code: def get_last_file(input_dir, glob_pattern='*', key=op.getctime, reverse=True):
      
      files = glob(op.join(input_dir, glob_pattern))
      files.sort(key=key, reverse=reverse)
      return files[0]
docs: Return the path to the latest file in `input_dir`.
       The `key` argument defines which information to use for sorting
       the list of files, could be:
          - creation date: os.path.getctime,
          - modification date: os.path.getmtime,
          etc.
  
      Parameters
      ----------
      input_dir: str
          Path to the folder where to perform the `glob`.
  
      glob_pattern: str
          `glob` Pattern to filter the files in `input_dir`.
  
      key: str
          Sorting key function
  
      reverse: bool
          Set to True if you want the sorting to be in decreasing order,
          False otherwise.
  
      Returns
      -------
      latest_filepath: str
          Path to the latest modified file in `input_dir`.