import os
import shutil
from glob import glob


for file in glob('*.pdf'):
    if file.endswith('.pdf'):
        print(file)
        try:
            print(file.encode('cp1251'))
            os.rename(f'{file}', f"{file.encode('cp1251').decode('utf8')}")
        except:
            pass

for file in glob('*.rtf'):
    if file.endswith('.rtf'):
        print(file)
        try:
            print(file.encode('cp1251'))
            os.rename(f'{file}', f"{file.encode('cp1251').decode('utf8')}")
        except:
            pass