Extract all tars in the directory

extract_tars.py

import os
import tarfile

PATH_TO_DIR_WITH_TARS = '/home/username/sub_folder/'

files = [file for file in os.listdir(PATH_TO_DIR_WITH_TARS) if
         os.path.isfile(os.path.join(PATH_TO_DIR_WITH_TARS, file))]

for file in files:
    file_name, file_extension = os.path.splitext(file)
    if file_extension == '.tar':
        with tarfile.open(os.path.join(PATH_TO_DIR_WITH_TARS, file)) as tar:
            tar.extractall(path=PATH_TO_DIR_WITH_TARS)  # extract files to the same directory