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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 cmp(self, other_service):
 """ Compare with an instance of this object. Returns None if the object is not comparable, False is relevant attributes don't match and True if they do. """

        if not isinstance(other_service, HttpService):
            return None
        for att in dir(self):
            if att == 'cmp' or att.startswith('_'):
                continue
            if not hasattr(other_service, att):
                return None
            if getattr(self, att) != getattr(other_service, att):
                return False
        return True