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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 multiple_domains(self):
 """Returns True if there are multiple domains in the jar. Returns False otherwise. :rtype: bool """

        domains = []
        for cookie in iter(self):
            if cookie.domain is not None and cookie.domain in domains:
                return True
            domains.append(cookie.domain)
        return False