from glob import glob
import os


key_rep = [
    ["通关", ""],
    ["教学", ""],
    ["三国", ""],
    ["_", " "],
]

for file in glob("*.mp4"):
    new_file = file[:]
    for (search, replace) in key_rep:
        new_file = new_file.replace(search, replace)
    if file == new_file:
        continue
    print(file, "->", new_file)
    os.rename(file, new_file)