code: def visit_function(function):
      sig = signature(function)
      doc = docstring(function)
      body = Lines.INDENT + "..."
      return f"def {sig}:\n{doc}\n{body}\n"
  
imports: import os
  import sys
  import inspect
  import textwrap
label_desc: Use image node_id 12 for calling a global function with example usage: visit_function(function) and returns: str, sig, str, doc, str, body, str