'Show a list of available shells.'

def _show(self):

    if (not self._exploit_results):
        msg = 'No    proxy    or    shell    objects    have    been    created.'
        om.out.console(msg)
        return
    om.out.console('This    is    a    list    of    available    shells    and    proxies:')
    for (e, n) in zip(self._exploit_results, range(len(self._exploit_results))):
        om.out.console(((('-    [' + str(n)) + ']    ') + str(e)))
