windowcreate "root "okno [Prikaz želve] 0 0 80 88 []
groupboxcreate "okno "group 5 5 66 40
radiobuttoncreate "okno "group "skrij [Skrij želvo] 10 10 55 20
radiobuttoncreate "okno "group "prikaži [Prikaži želvo] 10 24 55 20
radiobuttonset "skrij "false
radiobuttonset "prikaži "true
buttoncreate "okno "gumb "Nastavi 5 50 66 20 [
ifelse radiobuttonget "skrij [hideturtle] [showturtle]
]
windowdelete "okno