--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/docs/pycon2010/pirate4.py	Tue Feb 16 11:02:56 2010 -0500
@@ -0,0 +1,23 @@
+from cmd import Cmd
+# using arguments
+
+class Pirate(Cmd):
+    gold = 3
+    def do_loot(self, arg):
+        'Drown your sorrrows in rrrum.'               
+        self.gold += 1
+    def do_drink(self, arg):
+        '''Drown your sorrrows in rrrum.
+        
+        drink [n] - drink [n] barrel[s] o' rum.'''  
+        try:
+            self.gold -= int(arg)
+        except:
+            if arg:
+                print '''What's "{0}"?  I'll take rrrum.'''.format(arg)
+            self.gold -= 1            
+    def postcmd(self, stop, line):
+        print 'Now we gots {0} doubloons'.format(self.gold)
+
+pirate = Pirate()
+pirate.cmdloop()
\ No newline at end of file