Number of cells, using CSV module

[tunacubes at gmail.com]

On Thursday, May 16, 2013 2:40:08 PM UTC-4, Skip Montanaro wrote:
> Perhaps you want len(reader) instead?  Or a counter which increments for every row read which has an item in column A?
> 
> 
> 
> Skip

len(reader) gives me an error. 

I tried a counter, but unfortunately due to the simplicity of CSV files, any formulas are not saved.