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diy1.py

 # 利用write()帮助悟空给诺依回信吧~
 #导入turtle模块
 import turtle
+#背景颜色
+screen=turtle.Screen()
+screen.bgcolor("light blue")
+#写字
 pen=turtle.Pen()
+pen.penup()   #抬笔
+pen.goto(100,-100)   #移动画笔
 pen.write("Hi，诺依\n我也会用python写字了",font=("Times",18,"normal"))
 pen.hideturtle()
-turtle.done()
\ No newline at end of file
+# turtle.done()
+#画爱心
+pen1=turtle.Pen()
+pen1.pencolor("red")  #设置颜色
+pen1.pensize(5)       #设置画笔粗细
+#开始画爱心
+lovesize=screen.textinput("提示","你想要多大的爱心？")
+len=int(lovesize)
+pen1.left(45)
+pen1.forward(2*len)
+pen1.circle(len,180)
+pen1.right(90)
+pen1.circle(len,180)
+pen1.forward(2*len)
+pen1.hideturtle()
+turtle.done()