auto save

diy.py

+import turtle
+#背景颜色
+screen = turtle.Screen()
+screen.bgcolor("light blue")
+#写字
+pen = turtle.Pen()
+pen.penup()
+pen.goto(100,-80)
+pen.write("Hi,诺依\n收到你的贺卡我很开心\n我也学会用Python写贺卡啦!")
+pen.hideturtle()
+#画爱心
+pen1=turtle.Pen()
+pen1.pencolor("red")
+pen1.pensize(5)
+#借助变量
+len = 60
+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()
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