tar.gz file in a folder

tar_gz_file.py

import os
import tarfile

MSG_PATH = './'

file_list = os.listdir(MSG_PATH)

for msg_file in file_list:
    if not msg_file.endswith('.msg'):
        continue
    tar_file_name = os.path.join(MSG_PATH, msg_file) + '.tar.gz'
    tar = tarfile.open(tar_file_name, "w:gz")
    tar.add(os.path.join(MSG_PATH, msg_file))
    tar.close()
    os.remove(os.path.join(MSG_PATH, msg_file))