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DIY1.PY

+import turtle 
+#设置背景
+screen=turtle.Screen()
+screen.bgcolor("light blue")
+
+#定义画笔
+pen=turtle.Pen()
+pen.penup()
+pen.goto(100,-100)
+pen.write("你好！\n这里测试",font=("宋体",30,"normal"))
+pen.hideturtle()
+#画爱心
+pen1=turtle.Pen()
+pen1.pencolor("red")
+pen1.pensize(5)
+#借助变量
+len2=screen.textinput("提示","请输入圆半径大小")
+len=int(len2)
+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()