import terminal

terminal.init()


def draw_line(r, g, b):
    terminal.set_background(r, g, b)
    for _ in range(80):
        terminal.print(" ")


def canvas(lines):
    is_red = True
    for _ in range(lines):
        if is_red:
            draw_line(220, 20, 60)
        else:
            draw_line(255, 255, 240)
        is_red = not is_red


def draw_star_line(len, starts_with_star):
    terminal.set_background(25, 25, 112)
    terminal.print(" ")
    is_star = starts_with_star
    # -2 for two spaces on the border
    for _ in range(len - 2):
        if is_star:
            terminal.print("╬")
        else:
            terminal.print(" ")
        is_star = not is_star
    terminal.print(" ")


def canvas_of_stars(lines, len):
    starts_with_star = True
    for y in range(lines):
        terminal.set_xy(0, y)
        draw_star_line(len, starts_with_star)
        starts_with_star = not starts_with_star


canvas(25)
canvas_of_stars(12, 35)

terminal.waitkey()