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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def _mount_resources(self):
        '''Mount all registered resources onto the application.'''
        rules = []
        self.callback_map = {}
        for ep in Resource:
            for rule, callback in ep.get_routing_tuples():
                log.debug('Path "{}" mapped to "{}"'.format(
                    rule.rule, rule.endpoint))
                rules.append(rule)
                self.callback_map[rule.endpoint] = callback
        self.url_map = Map(rules)