"Any executable" does not mean adding pipes and arguments. This is one important benefit of not using shell. See https://github.com/python/cpython/blob/master/

"Any executable" does not mean adding pipes and arguments. This is one important benefit of not using shell. See https://github.com/python/cpython/blob/master/Lib/webbrowser.py#L174 https://github.com/python/cpython/blob/master/Lib/webbrowser...