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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 load(self, rule_type, quiet = False):
 """ Open a JSON file definiting a ruleset and load it into a Ruleset object :param quiet: :return: """

        if self.filename and os.path.exists(self.filename):
            try:
                with open(self.filename, 'rt') as f:
                    ruleset = json.load(f)
                    self.about = ruleset['about'] if 'about' in ruleset else ''
                    self.rules = {}
                    for filename in ruleset['rules']:
                        self.rules[filename] = []
                        for rule in ruleset['rules'][filename]:
                            self.handle_rule_versions(filename, rule_type, rule)
            except Exception as e:
                printException(e)
                printError('Error: ruleset file %s contains malformed JSON.' % self.filename)
                self.rules = []
                self.about = ''
        else:
            self.rules = []
            if not quiet:
                printError('Error: the file %s does not exist.' % self.filename)