On Aug 15, 11:23 am, [EMAIL PROTECTED] wrote: > if the values for any of the keys are None, both do not work as can be seen > below!!. >
If any of the values are None, nothing can work. The OP justifiably (given his problem domain (bigram frequencies)) expects that all values will be integers. If this is not the case, it means that the code that populates his dictionaries is majorly stuffed, an exception will be raised, and he can fix it. -- http://mail.python.org/mailman/listinfo/python-list
