auto save

my_tree.py

@@ -16,7 +16,7 @@ pen.down()
 def tree(n):
     if n >= 0:
         if n <= 12:
-            color_list  = ['snow', 'lightcoral']
+            color_list  = ['green', 'lightcoral','snow']
             color = random.choice(color_list)
             pen.color(color)
             pen.pensize(n/3)