text input - choose from a list of chices

def choose_from(choices, prompt="Which do you choose?"):
    while True:
        for index, choice in enumerate(choices):
            print "%2d. %s" % (index, choice)
        choice = raw_input("\n%s " % prompt)
        try:
            choice = int(choice)
            if choice < 0:
                raise ValueError
            return choices[choice]
        except (ValueError, IndexError):
            print "Invalid choice"