save project

diy1.py

+import turtle
+t=turtle.Pen()
+screen=turtle.Screen()
+screen.bgcolor("black")
+s=["red","blue","yellow","green"]
+t.speed(0)
+for i in range(1,500):
+    t.color(s[i%4])
+    t.forward(i)
+    t.right(91)
+t.hideturtle()
+t.done()
\ No newline at end of file