from turtle import Turtle

tom = Turtle()

def draw_circle(name,color, radius):
    name.color(color)
    name.dot(radius*2)
tom.pendown()
draw_circle (tom,"blue", 150)
draw_circle (tom,"red", 100)
draw_circle (tom,"pink", 50)

tom.penup()
tom.forward(300)
tom.pendown()

draw_circle (tom,"blue", 150)
draw_circle (tom,"red", 100)
draw_circle (tom,"black", 50)

tom.penup()
tom.backward(600)
tom.pendown()