code: def write_declaration(output):
      output.write('<?xml version="1.0" encoding="UTF-8"?>')
  
file_path: turicreate/scenario-tests/tests/setup_reporter.py
imports: import cgi
  import os
  import sys
  import traceback
label_desc: Use image node_id 1 for calling a global function with example usage: write_declaration(output) without return types