Python——turtle画奥运五环

import turtle as tr

tr.pensize(5)
#blue
tr.color('blue')
tr.penup()
tr.goto(-90,45)
tr.pendown()
tr.circle(45)
#yellow
tr.color('yellow')
tr.penup()
tr.goto(-45,0)
tr.pendown()
tr.circle(45)
#black
tr.color('black')
tr.penup()
tr.goto(0,45)
tr.pendown()
tr.circle(45)
#green
tr.color('green')
tr.penup()
tr.goto(45,0)
tr.pendown()
tr.circle(45)
#red
tr.color('red')
tr.penup()
tr.goto(90,45)
tr.pendown()
tr.circle(45)

tr.exitonclick()