code: def like_shared_file(self, sharekey=None):
          
  
          if not sharekey:
              raise Exception(
                  "You must specify a sharekey of the file you"
                  "want to 'like'.")
  
          endpoint = '/api/sharedfile/{sharekey}/like'.format(sharekey=sharekey)
          data = self._make_request("POST", endpoint=endpoint, data=None)
  
          try:
              sf = SharedFile.NewFromJSON(data)
              sf.liked = True
              return sf
          except:
              raise Exception("{0}".format(data['error']))
docs: 'Like' a SharedFile. mlkshk doesn't allow you to unlike a
          sharedfile, so this is ~~permanent~~.
  
          Args:
              sharekey (str): Sharekey for the file you want to 'like'.
  
          Returns:
              Either a SharedFile on success, or an exception on error.