dict problem

[Roberto Bonvallet]

Alistair King wrote:
> Hi,
> 
> ive been trying to update a dictionary containing a molecular formula, but seem to be getting this error:
> 
> 
> Traceback (most recent call last):
>  File "DS1excessH2O.py", line 242, in ?
>    updateDS1v(FCas, C, XDS)
> NameError: name 'C' is not defined
> 
> dictionary is: 
> 
> DS1v = {'C': 6, 'H': 10, 'O': 5}

Try DS1v['C'] instead of DS1v[C].

Cheers,
-- 
Roberto Bonvallet