save project

a.py

+import turtle
+pen = turtle.Pen()
+screen=turtle.Screen()
+screen.bgcolor("black")
+pen.speed(100)
+colors=["red","orange","blue","green"]
+for i in range(1,100):
+    pen.pencolor(colors[i%4])
+    pen.circle(i)
+    pen.right(91)
\ No newline at end of file

c.py

+import turtle
+pen = turtle.Pen()
+screen=turtle.Screen()
+screen.bgcolor("black")
+pen.speed(100)
+colors=["red","orange","blue","green"]
+for i in range(1,100):
+    pen.pencolor(colors[i%4])
+    pen.circle(i)
+    pen.right(87)
\ No newline at end of file

e.py

 import turtle
 pen = turtle.Pen()
-circle=turtle.Circle()
-circle.bgcolor("black")
+screen=turtle.Screen()
+screen.bgcolor("black")
 pen.speed(100)
 colors=["red","orange","blue","green"]
 for i in range(1,100):
     pen.pencolor(colors[i%4])
-    pen.forward(i)
-    pen.right(i)
\ No newline at end of file
+    pen.circle(i)
+    pen.right(90)
\ No newline at end of file