save project

my_tree.py

@@ -13,9 +13,9 @@ w.bgcolor('wheat')      # wheat小麦
 pen.left(90)
 pen.up()
 pen.backward(150)    # 后退
-pen.down()
+pen.down()  
+
 
-turtle.done()
 def tree(n):
     if n>=0:
         pen.speed(0)