code: def is_newer(file1, file2, strict=True):
      """
      Determine if file1 has been modified after file2
  
      Parameters
      ----------
      file1 : str
          File path. May not exist, in which case False is returned.
      file1 : str
          File path. Must exist.
      strict : bool
          Use strict inequality test (>). If False, then returns True for files
          with the same modified time.
  
      Returns
      -------
      newer : bool
          True if file1 is strictly newer than file 2
      """
      try:
          t1 = os.path.getmtime(file1)
          t2 = os.path.getmtime(file2)
      except FileNotFoundError:
          return False
      if strict:
          return t1 > t2
      return t1 >= t2
  
file_path: statsmodels/tools/export_notebooks_to_python.py
imports: import argparse
  import glob
  import logging
  import os
  import textwrap
  import nbconvert
  from yapf.yapflib.yapf_api import FormatCode
label_desc: Use image node_id 1 for calling a global function with example usage: is_newer(file1, file2, strict) and returns: unknown, unknown, False