python menu

pymenu.py

import collections

def menu(items):
	while 1:
		for item in range(0, len(items)):
			print "%d - %s" % (item + 1, items[item])
		selection = raw_input("> ")
		try:
			selection = int(selection) + 1
			if (selection >= 0) and (selection < len(items)):
				return selection
		except ValueError:
			for item in range(0, len(items)):
				if items[item].lower() == selection.lower():
					return item
		print "Invalid selection"

def menu2(items):
	while 1:
		for item in range(0, len(items)):
			print "%d - %s" % (item + 1, items.keys()[item])
		selection = raw_input("> ")
		try:
			selection = int(selection) - 1
			if (selection >= 0) and (selection < len(items)):
				return items.values()[selection]()
		except ValueError:
			for item in range(0, len(items)):
				if items.keys()[item].lower() == selection.lower():
					return items.values()[item]()
		print "Invalid selection"

def ItemOne():
	print "one called"

def ItemTwo():
	print "two called"

menuItems = collections.OrderedDict()

menuItems["One"] = ItemOne
menuItems["Two"] = ItemTwo
menuItems["Game"] = mobSpawn
menuItems["Math"] = mathMenu
menu2(menuItems)