diy1.py

import turtle
screen=turtle.Screen()
screen.bgcolor("light blue")
pen=turtle.Pen()
pen.write("你好\n再见.",font=("Times",30,"normal"))
pen.hideturtle()
len=100
pen.penup()
pen.goto(100,100)
pen.pendown()
pen.pensize(5)
len=screen.textinput("提示","你想要多大的爱心")
pen.pencolor("red")
lovesize=int(len)
pen.left(45)
pen.forward(2*lovesize)
pen.circle(lovesize,180)
pen.right(90)
pen.circle(lovesize,180)
pen.forward(2*lovesize)
turtle.done()