import tkinter as tk

def draw_target():
    window = tk.Tk()
    window.title("Terč")
    
    canvas = tk.Canvas(window, width=400, height=400, bg="white")
    canvas.pack()
    
    center_x, center_y = 200, 200
    
    for i in range(5):
        outer_radius = (5-i) * 20
        canvas.create_oval(
            center_x - outer_radius, center_y - outer_radius,
            center_x + outer_radius, center_y + outer_radius,
            fill="white", outline="black"
        )
        
        inner_radius = (4-i) * 20 + 10
        canvas.create_oval(
            center_x - inner_radius, center_y - inner_radius,
            center_x + inner_radius, center_y + inner_radius,
            fill="black", outline="black"
        )
    
    window.mainloop()

draw_target()