Delete files named *.tdarrcache* in D:\sonarr\ and D:\radarr\ only if they are over 2 days old.

#!/usr/bin/env python3
# Imports
import os
import datetime as dt

# Set directory to search
folder = [r'D:\radarr', r'D:\sonarr']
# Set file extension to search for
extension = r'*.tdarrcache'
# Set age of files to delete
age_in_days = 2

def delete_old_files(folder, extension, age_in_days):
  today = dt.datetime.today()
  files = []
  for root, dirs, filenames in os.walk(folder):
    for filename in fnmatch.filter(filenames, extension):
      files.append(os.path.join(root, filename))

  for file in files:
    if (today - dt.datetime.fromtimestamp(os.path.getmtime(file))).days >= age_in_days:
      os.remove(file)
      print('Delete: {}'.format(file))

for f in folder:
  delete_old_files(f, extension