import turtle |
import time |
light = turtle.Turtle() |
light.hideturtle() |
light.screen.delay( 0 ) |
light.color( "red" , "red" ) |
light.begin_fill() |
light.circle( 100 ) |
light.end_fill() |
time.sleep( 1 ) |
light.color( "green" , "green" ) |
light.begin_fill() |
light.circle( 100 ) |
light.end_fill() |
time.sleep( 1 ) |
light.color( "yellow" , "yellow" ) |
light.begin_fill() |
light.circle( 100 ) |
light.end_fill() |
time.sleep( 1 ) |