def phi_align(win, win_w, win_h):
    """Aligns a tkinker GUI window in the horizotal centre of screen,
    with top of window vertically aligned to the screen's golden ratio"""

    screen_w = win.winfo_screenwidth()
    screen_h = win.winfo_screenheight()

    x_cordinate = int((screen_w/2) - (win_w/2))
    y_cordinate = int((screen_h*0.382) - (win_h*0.382))

    return win.geometry("{}x{}+{}+{}".format(win_w, win_h, x_cordinate, y_cordinate))