code: def find_marker(path, marker):
      for line in open(path, "r"):
          if marker in line:
              return True
      return False
  
imports: import sys
  import h2o
  import zipfile
  import os
  from tests import pyunit_utils
label_desc: Use image node_id 1 for calling a global function with example usage: find_marker(path, marker) and returns: False, True