Merge pull request #14 from mss12138/patch-5

Update 8-2.py

Author: OctopusLian

chapter08/8-2.py

@@ -1,4 +1,4 @@
 def favorite_book(title):
-    print("One of my favorite book is " + title)
+    print("One of my favorite book is " + title + ".")
 
-favorite_book('CSAPP')
+favorite_book('CSAPP')