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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 run(self):
 """Required by flake8 Will be called after add_options and parse_options. Yields: tuple: (int, int, str, type) the tuple used by flake8 to construct a violation """


        if len(self.filename_checks) == 0:
            message = "N401 no configuration found for {}, " \
                      "please provide filename configuration in a flake8 config".format(self.name)
            yield (0, 0, message, type(self))

        rule_funcs = [rules.rule_n5xx]

        for rule_func in rule_funcs:
            for rule_name, configured_rule in self.filename_checks.items():
                for err in rule_func(self.filename, rule_name, configured_rule, type(self)):
                    yield err