code: def _print_tokens(lexer):
      while 1:
          tt = lexer.get_token()
          if not tt:
              break
          print("Token: " + repr(tt))
  
imports: import os
  import re
  import sys
  from collections import deque
  from io import StringIO
label_desc: Use image node_id 4 for calling a global function with example usage: _print_tokens(lexer) without return types