import tkinter as tk

def draw_chain():
    window = tk.Tk()
    window.title("Řetízek")
    
    canvas = tk.Canvas(window, width=400, height=200, bg="white")
    canvas.pack()
    
    diameter = 20
    gap = 0
    y = 100
    x_start = 50
    
    for i in range(15):
        x = x_start + i * (diameter + gap)
        canvas.create_oval(
            x, y - diameter//2,
            x + diameter, y + diameter//2,
            fill="gold",
            outline="darkgoldenrod"
        )
    
    window.mainloop()

draw_chain()