code: def default_sample_url():
      return "https://cntk.ai/Samples/%s.zip" % (default_sample_dir())
  
file_path: CNTK/bindings/python/cntk/sample_installer.py
imports: from __future__ import print_function
  import sys
  import os
  import warnings
  import textwrap
  import zipfile
  import string
  import pip
  from cntk import __version__
label_desc: Use image node_id 3 for calling a global function with example usage: default_sample_url() and returns: unknown