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diy1.py

 # 利用write()帮助悟空给诺依回信吧~
 import turtle
+len = int(turtle.textinput("提示","请问你想要多大的爱心？"))
 pen = turtle.Pen()
+pen.write("你好，\n诺依！",font=("Times",30,"normal"))
+pen.penup()
+pen.goto(-100,100)
+pen.pendown()
+pen.pencolor("red")
+pen.pensize(5)
+pen.left(45)
+pen.forward(2 * len)
+pen.circle(len,180)
+pen.right(90)
+pen.circle(len,180)
+pen.forward(2 * len)
+pen.hideturtle()
 turtle.done()