save project

1.py

@@ -2,9 +2,11 @@ import turtle
 a=turtle.Pen()
 a=turtle.Pen()
 a.penup()
 a.penup()
 changdu=1
 changdu=1
+jiao=80.01
 a.pendown()
 a.pendown()
 for i in range(800):
 for i in range(800):
     a.forward(changdu)
     a.forward(changdu)
-    a.right(91)
+    a.right(jiao)
     changdu+=1
     changdu+=1
+    jiao=jiao+0.02
 turtle.done()
 turtle.done()
\ No newline at end of file

2.py

@@ -2,7 +2,10 @@ import turtle
 a=turtle.Pen()
 a=turtle.Pen()
 a.penup()
 a.penup()
 a.pendown()
 a.pendown()
-for i in range(800):
+colors=["white","black","grey","light blue"]
+turtle.bgcolor("brown")
+for i in range(1,800):
+    a.pencolor(colors[i%4])
     a.forward(i)
     a.forward(i)
     a.right(91)
     a.right(91)
 turtle.done()
 turtle.done()
\ No newline at end of file