save project

梦开始的地方.py

-import turtle
+import turtle
 import turtle
 import turtle
 pen=turtle.Pen()
 pen=turtle.Pen()
+colors=["red","orange","yellow","green"]
 for i in range(300):
 for i in range(300):
     pen.forward(i)
     pen.forward(i)
+    pen.pencolor(colors[i%4])
     pen.right(91)
     pen.right(91)
 hideturtle()
 hideturtle()
 turtle.done()
 turtle.done()
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