save project

diy1.py

 import turtle
 pen = turtle.Pen()
 screen = turtle.Screen()
-screen.bgcolor("light pink")
-colors=["blue","white","red","black"]
+screen.bgcolor("black")
+colors=["red","green","blue","yellow"]
 distance=1
 pen.speed(1000)
-for i in range(i):
+for i in range(1,300):
     pen.pencolor(colors[i%4])
     pen.forward(i)
-    pen.right(91)
+    pen.right(90.1)
 # 隐藏画笔，保存画布
 pen.hideturtle()
 turtle.done()