save project

diy1.py

+import turtle
+a=turtle.Screen()
+a.bgcolor("black")
+pen=turtle.Pen()
+coler=["orenge","red","yellow","green"]
+for i in range(1,300):
+   pen.pencolor(coler[i%4])   
+   pen.forward(i)
+   pen.right(91)
+pen.hideturtle()
+turtle.done()  
+
+

为。1

+distance=1
+distance=1
+pen.speed(1000)
+for i in range(1,300):
+    pen.pencolor(colors[i%4])
+    pen.forward(i)
+    pen.right(91)
+pen.hideturtle()
+turtle.done()