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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 _create_login_secret(challenge, password):
 """Create a login secret."""

        to_hash = (challenge + '-' + password).encode('UTF-16LE')
        hashed = hashlib.md5(to_hash).hexdigest()
        return '{0}-{1}'.format(challenge, hashed)