import turtle as tu
   import random # import random module

my_turtle = tu.Turtle()
my_turtle.screen.bgcolor('red')
my_turtle.left(90)
my_turtle.speed(20)
my_turtle.color('green')
my_turtle.pensize(5)
my_turtle.screen.title("My Fractal Tree")
 
def draw_fractal(blen):
     
    # add these two lines
    sfcolor = ["white", "blue", "purple", "grey", "magenta"]
    my_turtle.color(random.choice(sfcolor))
 
    if(blen<10):
        return
    else:
 
        my_turtle.forward(blen)
        my_turtle.left(30)
        draw_fractal(3*blen/4)
        my_turtle.right(60)
        draw_fractal(3*blen/4)
        my_turtle.left(30)
        my_turtle.backward(blen)
 
draw_fractal(80)
my_turtle = tu.done()

   from turtle import 
   colors = ['orange', 'red', 'pink', 'yellow', 'blue', 'green']
   for x in range(360):
      pencolor(colors[x % 6])
      width(x / 5 + 1)
      forward(x)
      left(20)

   import turtle
   win = turtle.Screen()
   win.bgcolor('black')
   color = ['red', 'blue', 'yellow', 'green', 'lightblue', 'orange','lightgreen']
   tort = turtle.Turtle()
   for itr in range(360):
      tort.color(color[itr%7])
      tort.forward(itr)
      tort.left(62)

   from turtle import *
   color('red', 'yellow')
   begin_fill()
   while True:
    forward(200)
    left(170)
    if abs(pos()) < 1:
        break
   end_fill()
   done()

   global = "Глобальная переменная"
   def func():
    local = "Локальная переменная"
    print(local)

 print(global)
 func()... Глобальная переменная... Локальная переменная

 def func1():
         enclosing = "Первый уровень"
         print(enclosing)
 
         def func2():
            nonlocal enclosing
            enclosing = "Второй уровень"

         func2()
         print(name)
 
func1()
... Первый уровень
... Второй уровень