From 71f2e487514545a336f263abd0c2eff9ce7b79d3 Mon Sep 17 00:00:00 2001
From: tmeissner <programming@goodcleanfun.de>
Date: Tue, 26 Aug 2014 13:44:55 +0200
Subject: [PATCH] new internal method _set_id() to set global last_id attribute
 to the highest id found in actual notebook object

---
 python_3_oop/chapter02/notebook.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/python_3_oop/chapter02/notebook.py b/python_3_oop/chapter02/notebook.py
index 87c5042..eab627f 100644
--- a/python_3_oop/chapter02/notebook.py
+++ b/python_3_oop/chapter02/notebook.py
@@ -67,3 +67,11 @@ class Notebook:
                 return note
         return None
 
+    def _set_id(self):
+        id = 1
+        for note in self.notes:
+            if note.id > id:
+                id = note.id
+        global last_id
+        last_id = id
+