win

    A pointer to the window.

 attr

    One of a set of video display attributes, which are blinking,
    boldface, reverse video, and underlining, and are represented by
    the defined constants _BLINK, _BOLD, _REVERSE, and _UNDERLINE,
    respectively. You can set multiple attributes by separating them
    with a bitwise OR operator (|) as follows:

    setattr(_BLINK | _UNDERLINE);