import tkinter as tk

def draw_tower():
    root = tk.Tk()
    root.title("Věž")
    canvas = tk.Canvas(root, width=400, height=400)
    canvas.pack()

    canvas.create_rectangle(150, 150, 230, 230, outline="black")    # Bottom block
    
    canvas.create_rectangle(160, 90, 220, 150, outline="black")    # Middle block
    
    canvas.create_rectangle(170, 50, 220, 90, outline="black")    # Top block
    
    root.mainloop()

# Run the program
if __name__ == "__main__":
    draw_tower()