Update thread6_lock.py

MorvanZhou · web-flow · commit d68ad6b746ad · 2016-06-14T10:44:11.000+10:00
diff --git a/threadingTUT/thread6_lock.py b/threadingTUT/thread6_lock.py
@@ -1,3 +1,8 @@
+# View more python learning tutorial on my Youtube and Youku channel!!!
+
+# Youtube video tutorial: https://www.youtube.com/channel/UCdyjiB5H8Pu7aDTNVXTTpcg
+# Youku video tutorial: http://i.youku.com/pythontutorial
+
 import threading
 
 def job1():
