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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 template_str(tem, queue=False, **kwargs):
    '''
    Execute the information stored in a string from an sls template

    CLI Example:

    .. code-block:: bash

        salt '*' state.template_str '<Template String>'
    '''
    conflict = _check_queue(queue, kwargs)
    if conflict is not None:
        return conflict

    opts = salt.utils.state.get_sls_opts(__opts__, **kwargs)

    try:
        st_ = salt.state.State(opts,
                               proxy=__proxy__,
                               initial_pillar=_get_initial_pillar(opts))
    except NameError:
        st_ = salt.state.State(opts, initial_pillar=_get_initial_pillar(opts))
    ret = st_.call_template_str(tem)
    _set_retcode(ret)
    return ret