diy1.py

import turtle
a=turtle.textinput("爱心","大小是多少:")
b=int(a)
turtle.bgcolor("skyblue")
turtle.hideturtle()
turtle.color("red")
turtle.pensize(10)
turtle.speed(0)
turtle.begin_fill()
turtle.left(45)
turtle.forward(2*b)
turtle.circle(b,180)
turtle.right(90)
turtle.circle(b,180)
turtle.forward(2*b)
turtle.end_fill()
turtle.color("black")
turtle.penup()
turtle.goto(125,-250)
turtle.pendown()
turtle.write("Hi，诺伊~\n用python写电子贺卡真是太有趣啦~\n我也喜欢python~\n———悟空",font=("times",16,"normal"))
turtle.done()