import turtle
# Creat window
loadWindow = turtle.Screen()
#turn of draw mode
turtle.speed(5)
for i in range(30):
turtle.circle(5 * i)
turtle.left(i)
#wait for user to end
turtle.exitonclick()
import turtle
# Creat window
loadWindow = turtle.Screen()
#turn of draw mode
turtle.speed(0)
turtle.colormode(255)
for i in range(100):
turtle.circle(5 * i)
turtle.circle(-5 * i)
turtle.left(i)
turtle.color(i, 2 * i, 2 *i)