code: def loop_gtk(kernel):
      """Start the kernel, coordinating with the GTK event loop"""
      from .gui.gtkembed import GTKEmbed
  
      gtk_kernel = GTKEmbed(kernel)
      gtk_kernel.start()
      kernel._gtk = gtk_kernel
  
imports: import os
  import platform
  import sys
  from functools import partial
  import zmq
  from packaging.version import Version
  from traitlets.config.application import Application
label_desc: Use image node_id 11 for calling a global function with example usage: loop_gtk(kernel) without return types