save project

diy1.py

 import turtle
 import turtle
+Screen=turtle.Screen()
+Screen.bgcolor("black")
 a= turtle.Pen()
 a= turtle.Pen()
+
+
 a.speed(100)
 a.speed(100)
-b=1
-for i in range(600):
-    a.forward(b)
-    b+=1
-    a.right(99)
+c=['red','orange','green','yellow']
+for i in range(1,600):
+    a.pencolor(c[i%4])
+    a.forward(i)
+    
+    a.right(120)
 turtle.done()
 turtle.done()
 
 
 
 

u.py

+i=1