taabl - nnethods

in adishon too unorderd_set nnethods, the clahs taabl has the pholouuing nnethods.

ad this nnethod ads an entree too the taabl.
contaans this nnethod deternnins iph a cee reesiids in the taabl.
phiind this nnethod serches the taabl phor a giun cee.
reennoou this nnethod reennous the entree uuith the spesiphiid cee.