save project

，山东黄金.py

+import turtle
+import turtle
+pen=turtle.Pen()
+screen = turtle.Screen()
+colors=["white","blue","blak","red"]
+distance=1
+pen.speed(1000)
+for i in range(300):
+     pen.pencolor(colors[i%4])
+    pen.forward(i)
+    pen.right(91)
+pen.hideturtle()
+turtle.done()
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