save project

diy1.py

 import turtle
 import turtle
-screen=turtle.Screen()
-screen.bgcolor("light blue")
-pen= turtle.Pen()
-pen.penup()
-pen.goto(100,-100)
-pen.write("诺依，\nturtle真好用，\n我会在画布上写字啦!",font=("times",30,"normal"))
 
 
-
-pen1=turtle.Pen()
-pen1.pensize(5)
-len=60
-pen1.pencolor("red")
-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
+pen=turtle.Pen()
+distance=1
+for i in range(300):
+    pen.forward(distance)
+    pen.right(91)
+    distance+=1
+pen.hideturtle()
+turtle.done()