save project

diy3.py

+
+
 import turtle
 import turtle
-# pen = turtle.Pen()
-# pen.write("你好:\n        许久不见！",font=("Times",20,"normal"))
-# pen.hideturtle()
-# turtle.done()
-turtle.color("red","red")
-turtle.begin_fill()
+len=50
+screen=turtle.Screen()
+screen.bgcolor("light blue")
+pen = turtle.Pen()
+pen.penup()
+pen.goto(100,-100)
+pen.write("你好:\n        许久不见！",font=("Times",20,"normal"))
+pen.hideturtle()
+
 pen1 = turtle.Pen()
 pen1 = turtle.Pen()
-pen1.goto(0,0)
+pen1.pencolor("red")
+pen1.pensize(5)
+
 pen1.right(45)
 pen1.right(45)
-pen1.forward(100)
+pen1.forward(2*len)
 pen1.left(90)
 pen1.left(90)
-pen1.forward(100)
+pen1.forward(2*len)
 
 
-pen1.circle(50,180)
+pen1.circle(len,180)
 pen1.right(90)
 pen1.right(90)
-pen1.circle(50,181)
-turtle.end_fill()
-turtle.done()
+pen1.circle(len,180)
+turtle.done()
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