diy1.py

import turtle
screen=turtle.Screen()
len=screen.textinput("dfb","xgn")
lovesize=int(len)
screen.bgcolor("pink")
pen=turtle.Pen()
pen.penup()
pen.goto(100,-100)
pen.write("诺依，\nturtle真好用，\n我会在画布上写字了!",font=("Times",20,"normal"))
pen1=turtle.Pen()
pen1.pencolor("red")
pen1.pensize(5)
pen1.left(45)
pen1.forward(2*lovesize)
pen1.circle(lovesize,180)
pen1.right(90)
pen1.circle(lovesize,180)
pen1.forward(2*lovesize)
turtle.done()