import tkinter as tk
import random

def strom(canvas, x, y):
    canvas.create_oval(x - 30, y - 50, x + 30, y + 50, fill='green')      # Koruna
    canvas.create_rectangle(x - 5, y + 50, x + 5, y + 100, fill='brown')      # Kmen

def les(canvas):
    for _ in range(10):
        x = random.randint(50, 350)
        y = random.randint(50, 250)
        strom(canvas, x, y)

root = tk.Tk()
root.title("Les")

canvas = tk.Canvas(root, width=400, height=300)
canvas.pack()

les(canvas)

root.mainloop()