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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 logout_user():
 """Logs out the current. This will also clean up the remember me cookie if it exists. """


    for key in ('identity.name', 'identity.auth_type'):
        session.pop(key, None)
    identity_changed.send(current_app._get_current_object(),
                          identity=AnonymousIdentity())
    _logout_user()