code: def pre_prompt_hook(self):
      """Run before displaying the next prompt
  
      Use this e.g. to display output from asynchronous operations (in order
      to not mess up text entry)
      """
  
      return None
  
imports: import os
  import subprocess
  import warnings
  import sys
  from IPython.core.error import TryNext
  import tempfile
label_desc: Use image node_id 7 for calling a global function with example usage: pre_prompt_hook() and returns: None