code: def diffFiles(file1, file2):
      with open(file1, "r") as f1:
          file1_lines = f1.readlines()
      with open(file2, "r") as f2:
          file2_lines = f2.readlines()
  
      diff = list(
          difflib.unified_diff(file1_lines, file2_lines, file1, file2)
      )
      return diff
  
imports: import argparse
  import difflib
  import glob
  import os
  import sys
  from typing import Dict, List, Optional, Tuple
  import yaml
label_desc: Use image node_id 5 for calling a global function with example usage: diffFiles(file1, file2) and returns: diff