Balloon Code 4 circles

# 4 circles
import turtle

leo = turtle.Turtle()
raph = turtle.Turtle()
donnie = turtle.Turtle()
mikey = turtle.Turtle()

leo.hideturtle()
raph.hideturtle()
donnie.hideturtle()
mikey.hideturtle()

leo.color("blue")
raph.color("red")
donnie.color("green")
mikey.color("orange")

leo.begin_fill()
leo.circle(60)
leo.end_fill()

raph.begin_fill()
raph.circle(50)
raph.end_fill()

donnie.begin_fill()
donnie.circle(40)
donnie.end_fill()

mikey.begin_fill()
mikey.circle(30)
mikey.end_fill()