code: def _strip_comments(line):
      m = _STRIP_COMMENT_REGEX.match(line)
      if not m:
          return line
      else:
          return m.group(0)
  
imports: import argparse
  import re
  import os
label_desc: Use image node_id 2 for calling a global function with example usage: _strip_comments(line) and returns: line, m