# Draw 3 circles to the left
from turtle import Turtle

tina = Turtle()

def draw_circle(x, y, name, r, colour):
  name.goto(x,y)
  name.color(colour)
  name.dot(r*2)

draw_circle(0, 0, tina, 150, "blue")
draw_circle(-50, 0, tina, 100, "red")
draw_circle(-100, 0, tina, 50, "yellow")