Kolorowe okręgi

import turtle

tt = turtle.Turtle()
ttScreen = turtle.Screen()

ttScreen.bgcolor('black')
tt.pensize(2)
tt.speed(0)

# Iterate six times in total
for i in range(6):

	# Choose your color combination
	for color in ('red', 'magenta', 'blue',
				'cyan', 'green',
				'yellow'):
		tt.color(color)

		# Draw a circle of chosen size, 100 here
		tt.circle(100)

		# Move 10 pixels left to draw another circle
		tt.left(10)

	# Hide the cursor(or turtle) which drew the circle
	tt.hideturtle()
tt.done()