code: def isclose(a, b, rel_tol=1e-05, abs_tol=0.0):
      return abs(a - b) <= max(rel_tol * max(abs(a), abs(b)), abs_tol)
  
imports: import os
  from pathlib import Path
  import vowpalwabbit
  from vowpalwabbit import Workspace
  import pytest
  import warnings
  import filecmp
label_desc: Use image node_id 1 for calling a global function with example usage: isclose(a, b, rel_tol, abs_tol) and returns: unknown