code: def exec_():
      app = mkQApp()
      return app.exec() if hasattr(app, "exec") else app.exec_()
  
imports: import os
  import re
  import subprocess
  import sys
  import time
  import warnings
  from .None import QtCore, QtGui, QtWidgets, compat
  from .None import internals
label_desc: Use image node_id 4 for calling a global function with example usage: exec_() and returns: unknown