code: def main():
      print("Collecting environment information...")
      output = get_pretty_env_info()
      print(output)
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import locale
  import re
  import subprocess
  import sys
  import os
  from collections import namedtuple
  import logging
label_desc: Use image node_id 22 for calling a global function with example usage: main() without return types