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 -- http://mail.python.org/mailman/listinfo/python-list