https://toml.io/en/
(venv) $ python -m pip install tomli
# tic_tac_toe.toml
[user]
player_x.color = "blue"
player_o.color = "green"
[constant]
board_size = 3
[server]
url = "https://tictactoe.example.com"
import tomli
with open("tic_tac_toe.toml", mode="rb") as fp:
config = tomli.load(fp)