n.py

import turtle 
s=turtle.Screen()
len=s.textinput("提示","你想要的爱心多大呀？")
lovesize=int(len)
lovesize=float(len)
s.bgcolor("light pink")
pen=turtle.Pen()
pen.penup()
pen.goto(100,-100)
pen.write("沐浴在夕阳下\n一轮暖阳，两个身影\n目光是同一个方向\n人间值得，有你真好！",font=("方正硬笔楷书简体",18,"normal"))
pen.hideturtle()
p1=turtle.Pen()
p1.pensize(5)
p1.pencolor("red")
p1.fillcolor("red")
p1.begin_fill()
p1.left(45)
p1.forward(lovesize)
p1.circle(2*lovesize,180)
p1.right(90)
p1.circle(lovesize,180)
p1.forward(2*lovesize)
# p1.penup()
# p1.goto(70,0)
# p1.circle(3,360)
p1.end_fill()
p1.hideturtle()
turtle.done()