code: def test_arguments_allowed_to_differ():
      for arg in C.ARGS_MAY_DIFFER:
          assert re.match(r"^[a-zA-Z0-9_]*$", arg)
  
imports: import argparse
  import pytest
  import tempfile
  import os
  import re
  import sockeye.arguments
  import sockeye.constants
  from itertools import zip_longest
label_desc: Use image node_id 19 for calling a global function with example usage: test_arguments_allowed_to_differ() without return types