save project

diy1.py

+# 
+import turtle
+screen=turtle.Screen()
+screen.bgcolor("light blue")
+len=screen.textinput
+len=int(len)
+pen=turtle.Pen()
+pen.write("Hi，诺依~\n用python写电子贺卡真是太有趣啦~\n我也喜欢python~\n——悟空 ",font=("Times",20,"normal
+pen.hideturtle()
+len=60
+pen.penup()
+pen.goto(100,100)
+pen.pendown()
+pen.pensize(5)
+pen.pencolor("red")
+pen.left(45)
+pen.forward(2*len)
+pen.circle(len,180)
+pen.right(90)
+pen.circle(len,180)
+pen.forward(2*len)
+turtle.done()
\ No newline at end of file