import turtle
screen=turtle.Screen()
screen.bgcolor("red")


Pen=turtle.Pen()
Pen.goto(100,-100)
Pen.write("诺依",font=("times",40,"normal"))
Pen.hideturtle()
# turtle.done()
len=screen.textinput("提示","你想要多大爱心？")
a=int(len)
pen.forword(90)
a=80
pen1=turtle.Pen()
pen1.left(45)
pen1.forword(2*a)
pen1.cricle(a,180)
pen1.right(45)
pen1=turtle.Pen()
turtle.done()