def getColorCode256(self, fg, bg):
        """ Return a string containing 256-color mode ANSI escape code for
        given fg/bg """
        if fg <= 16 and fg > 0:
            fg = color_256_to_ansi_16[fg]
        return f'\033[38;5;{fg};48;5;{bg}m'
 Return a string containing 256-color mode ANSI escape code for
        given fg/bg 
durdraw/durdraw_color_curses.py