From 77e70831ca7e77668d85a153a29d57162e02c431 Mon Sep 17 00:00:00 2001
From: BellCodeEditor <bellcode_dev@bell.ai>
Date: Sun, 18 Jul 2021 16:25:45 +0800
Subject: [PATCH] save project

---
 my_tree.py | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/my_tree.py b/my_tree.py
index 823dbfc..d03c51c 100644
--- a/my_tree.py
+++ b/my_tree.py
@@ -11,5 +11,18 @@ pen.left(90)
 pen.up()
 pen.backward(150)    # 后退
 pen.down()
+def darw_tree(n,lenth):
+    if n==1:
+      pen.forward(lenth)
+      pen.backward(lenth)
+    else:
+        pen.forward(lenth)
+        pen.right(30)
+        darw_tree(n-1,lenth/2)
+        pen.left(60)
+        darw_tree(n-1,lenth/2)
+        pen.right(30)
+        pen.backward(lenth)
 
+darw_tree(2)
 turtle.done()
--
libgit2 0.25.0