auto save

DAY1.py

+import turtle
+screen = turtle.Screen()
+screen.bgcolor("light blue")
+
+#写字
+pen = turtle.Pen()
+pen.penup()
+pen.goto(100,-100)
+pen.write("Hi,诺伊~\n用python写电子贺卡真的太有趣啦~\n我也喜欢python")
+pen.hideturtle()
+#画爱心
+pen1 = turtle.Pen()
+len = screen.textinput("爱心大小","请输入爱心大小")
+len1 = int(len)
+pen1.penup()
+pen1.goto(0,0)
+pen1.pencolor("red")
+pen1.left(45)
+pen1.forward(2*len1)
+pen1.circle(len1,180)
+pen1.left(90)
+pen1.forward(2*len1)
+pen1.circle(len1,180)
+pen1.down()
+pen1.hideturtle()