def _help(*args, **kws):
    helper.buffer = []
    _larch = kws.get('_larch', None)
    if helper._larch is None and _larch is not None:
        helper._larch = _larch
    if args == ('',):
        args = ('help',)
    if helper._larch is None:
        helper.addtext('cannot start help system!')
    else:
        for a in args:
            helper.help(a)

    if helper._larch is not None:
        helper._larch.writer.write("%s\n" % helper.getbuffer())
    else:
        return helper.getbuffer()
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dataset/ETHPy150Open xraypy/xraylarch/lib/builtins.py/_help--crossover with--dataset/ETHPy150Open nickjj/build-a-saas-app-with-flask/catwatch/tests/billing/test_views.py/TestBilling.test_subscription_cancel_page_without_subscription