auto save

my_tree.py

@@ -4,16 +4,16 @@ def tree(n):
     if n>=50:
         pen.forward(n)
         pen.right(30)
-        tree(n-50)
+        tree(n-10)
         pen.left(60)
-        tree(n-50)
+        tree(n-10)
         pen.right(30)
         pen.up()
         pen.backward(n)
         pen.down()
 
 pen=turtle.Turtle()
-
+pen.speed(0)
 pen = turtle.Turtle()
 pen.color('sienna')
 # 画布大小