Find files with extension .tdarrcache* on d:/. If the files are over two days old, delete them.

import os
import datetime
now = datetime.datetime.now()

def find_and_delete(path,ext,age):
	for root, dirs, files in os.walk(path):
		for file in files:
			fname = os.path.join(root, file)
			asplit = os.path.splitext(fname)
			file_ext = asplit[1]
			file_time = datetime.datetime.fromtimestamp(os.path.getmtime(fname))
			if file_ext == ext and (now - file_time).days > age:
				os.remove(fname)
				print('file deleted')
			else:
				print('file not deleted')

find_and_delete('d:/', 'tdarrcache', 2)