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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 new(cls, alias, cert):
 """ Helper function to create a new TrustedCertEntry. :param str alias: The alias for the Trusted Cert Entry :param str certs: The certificate, as a byte string. :returns: A loaded :class:`TrustedCertEntry` instance, ready to be placed in a keystore. """

        timestamp = int(time.time()) * 1000

        tke = cls(timestamp = timestamp,
                               # Alias must be lower case or it will corrupt the keystore for Java Keytool and Keytool Explorer
                               alias = alias.lower(),
                               cert = cert)
        return tke