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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 getAllowedReturnURLs(relying_party_url):
 """Given a relying party discovery URL return a list of return_to URLs. @since: 2.1.0 """

    (rp_url_after_redirects, return_to_urls) = services.getServiceEndpoints(
        relying_party_url, _extractReturnURL)

    if rp_url_after_redirects != relying_party_url:
        # Verification caused a redirect
        raise RealmVerificationRedirected(
            relying_party_url, rp_url_after_redirects)

    return return_to_urls