def send(hotkey, do_press=True, do_release=True):
    """
    Sends OS events that perform the given *hotkey* hotkey.

    - `hotkey` can be either a scan code (e.g. 57 for space), single key
    (e.g. 'space') or multi-key, multi-step hotkey (e.g. 'alt+F4, enter').
    - `do_press` if true then press events are sent. Defaults to True.
    - `do_release` if true then release events are sent. Defaults to True.

        send(57)
        send('ctrl+alt+del')
        send('alt+F4, enter')
        send('shift+s')

    Note: keys are released in the opposite order they were pressed.
    """
    _listener.is_replaying = True

    parsed = parse_hotkey(hotkey)
    for step in parsed:
        if do_press:
            for scan_codes in step:
                _os_keyboard.press(scan_codes[0])

        if do_release:
            for scan_codes in reversed(step):
                _os_keyboard.release(scan_codes[0])

    _listener.is_replaying = False
Sends OS events that perform the given *hotkey* hotkey.

    - `hotkey` can be either a scan code (e.g. 57 for space), single key
    (e.g. 'space') or multi-key, multi-step hotkey (e.g. 'alt+F4, enter').
    - `do_press` if true then press events are sent. Defaults to True.
    - `do_release` if true then release events are sent. Defaults to True.

        send(57)
        send('ctrl+alt+del')
        send('alt+F4, enter')
        send('shift+s')

    Note: keys are released in the opposite order they were pressed.