code: def out_prompt_tokens(self):
      return [
          (Token.OutPrompt, "Out["),
          (Token.OutPromptNum, str(self.shell.execution_count)),
          (Token.OutPrompt, "]: "),
      ]
  
imports: from __future__ import print_function
  from pygments.token import Token
  import sys
  from IPython.core.displayhook import DisplayHook
  from prompt_toolkit.layout.utils import token_list_width
label_desc: Use image node_id 6 for calling the Prompts obj's underlying member method code with example usage: obj.out_prompt_tokens() and returns: list