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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 _init_ns2nt(rcntobj):
 """Save depth-00 GO terms ordered using descendants cnt."""

        go2dcnt = rcntobj.go2dcnt
        ntobj = cx.namedtuple("NtD1", "D1 dcnt goobj")
        d0s = rcntobj.depth2goobjs[0]
        ns_nt = [(o.namespace, ntobj(D1="", dcnt=go2dcnt[o.id], goobj=o)) for o in d0s]
        return cx.OrderedDict(ns_nt)