#!/usr/bin/env python

class MoneyFmt:

    def __init__(self, value=0.)                # constructor

        self.value = float(value)

    def update(self, value=None)                # allow updates
        ###
        ###        (a) complete this function
        ###

    def __repr__(self):                                # display as a float number
        return str(self.value)

    def __str__(self):                                # formatted display
        val = ''

        ###
        ###        (b) complete this function... do NOT
        ###            forget about negative numbers too!!
        ###

        return val

    def __nonzero__(self):                        # boolean test
        ###
        ###        (c) find and fix the bug
        ###

            return int(self.value)