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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 is_running(config, container, *args, **kwargs):
    '''
    Is this container running

    container
        Container id

    Return container
    '''
    try:
        infos = _get_container_infos(config, container)
        return (infos if infos.get('State', {}).get('Running') else None)
    except Exception:
        return None