save project

my_tree.py

@@ -11,18 +11,19 @@ pen.left(90)
 pen.up()
 pen.up()
 pen.backward(150)    # 后退
 pen.backward(150)    # 后退
 pen.down()
 pen.down()
+pen.speed(999)
 
 
 def tree(n):
 def tree(n):
-    if n >= 50:
+    if n >= 10:
         pen.forward(n)
         pen.forward(n)
         pen.right(30)
         pen.right(30)
-        tree(n-50)
+        tree(n-10)
         pen.left(60)
         pen.left(60)
-        tree(n-50)
+        tree(n-10)
         pen.right(30)
         pen.right(30)
         pen.up()
         pen.up()
         pen.backward(n)
         pen.backward(n)
         pen.down()
         pen.down()
 
 
-tree(100)
+tree(70)
 turtle.done()
 turtle.done()