for x in range(5000):
____p_err_files = p_err_files_org.copy()
____for idx, i in enumerate(p_err_files[:-1], start=1):
________i = str(i) + os.sep #これは出した方が速いの?変わらない?
________p_err_files = [j for j in p_err_files[idx:] if not str(j).startswith(i)]
界王拳3倍だぁああああ