import turtle

def narišiKrog(želva, color, size, x, y):
    želva.penup()
    želva.color(color)
    želva.fillcolor(color)
    želva.goto(x,y)
    želva.pendown()
    želva.begin_fill()
    želva.circle(size)
    želva.end_fill()

fredi = turtle.Turtle()
fredi.shape("turtle")
fredi.speed(500)

narišiKrog(fredi, "green", 50, 25, 0)
narišiKrog(fredi, "blue", 50, 0, 0)
narišiKrog(fredi, "yellow", 50, -25, 0)

fredi.penup()
fredi.goto(-70,-50)
fredi.color("black")
fredi.write("Učimo se želvjo grafiko v Pythonu!", font = ("Arial", 16, "bold"))
fredi.goto(0,-80)