>>108497201
Beware, jeet code below (my python skills sucks)
from pathlib import Path
import os
mkv_dir = Path(".")
mkv_regex = "*Sousou no Frieren - [0-9][0-9]*mkv"
srt_dir = Path(".")
for mkv_file in mkv_dir.glob(mkv_regex):
#print(mkv_file)
idx = str(mkv_file).split(' ')[5]
#print(idx)
srt_regex = f"Sousou no Frieren - {idx}*.srt"
for srt_file in srt_dir.glob(srt_regex):
#print(f"found corresponding str {srt_regex}")
old_filename = str(srt_file)
new_filename = str(mkv_file).replace("mkv", "srt")
print(f"renaming {old_filename} to {new_filename}")
#os.rename(old_filename, new_filename)