Roberto Bonvallet wrote: > Alistair King wrote: >> DS1v = {'C': 6, 'H': 10, 'O': 5} > > Try DS1v['C'] instead of DS1v[C].
> updateDS1v(FCas, C, XDS) > updateDS1v(FHas, H, XDS) > updateDS1v(FOas, O, XDS) > updateDS1v(FNas, N, XDS) > updateDS1v(FSas, S, XDS) > updateDS1v(FClas, Cl, XDS) > updateDS1v(FBras, Br, XDS) > updateDS1v(FZnas, Zn, XDS) > print DS1v Sorry, I hadn't seen this part. Change C, H, O, ... with 'C', 'H', 'O', ... -- Roberto Bonvallet -- http://mail.python.org/mailman/listinfo/python-list