Delete any files that contain "TdarrCacheFile" in the filename on D:\.

import os
import os.path

def delete_files(path, file_name_pattern):
  for file in os.listdir(path):
    if file.endswith(file_name_pattern):
      os.remove(os.path.join(path, file))

delete_files('D:\\', 'TdarrCacheFile')