Merge pull request #15 from mss12138/patch-6

Update 8-5.py

Author: OctopusLian

chapter08/8-5.py

@@ -1,6 +1,6 @@
 def describe_city(cityname,contury='china'):
-    print(cityname.title + " is in " + contury.title)
+    print(cityname.title + " is in " + contury.title + ".")
 
 describe_city('beijing')
 describe_city('NewYork','American')
-describe_city('chengdu')
+describe_city('chengdu')