save project

diy1.py

 
 
 import turtle
 import turtle
 pen = turtle.Pen()
 pen = turtle.Pen()
-# 请创造师在下面接着创
-i=1
+screen = turtle.Screen()
+screen.bgcolor("black")
+colors=["white","blue","violet","cyan"]
+distance=1
 pen.speed(0)
 pen.speed(0)
-for i in range(1,300):    
+for i in range(1,300):
+    pen.pencolor(colors[i%4])
     pen.forward(i)
     pen.forward(i)
-    i+=1
     pen.right(91)
     pen.right(91)
 pen.hideturtle()
 pen.hideturtle()
 turtle.done()
 turtle.done()