Thank you for the response.

As you can see from the screenshot

a and i

have values displayed in blue. They have been initialized.
The portion highlighted is to get (sum) value to print.


I did get it to work but only after closing this instance of the code and re-initializing in a new window.

The code looks same to me but in the new instance it worked.

There must've been something in the memory cash they got corrupted or it was just a small gremlin having its way with me.


On Sat, Mar 4, 2023 at 6:30 PM MARK MILLER <mmille10@comcast.net> wrote:
I don't know if you've solved this already, but what I notice in your screenshot is you only have the loop code highlighted.

I tried reproducing what you're talking about, and the closest I got was when I initialized (evaluated) i and sum, but not a. So, include all the locals in what you highlight, before getting to the loop.

If you don't evaluate the initialization of the locals, the workspace doesn't know they exist. 
---Mark 
mmille10@comcast.net
On 03/04/2023 4:09 PM Igor Raven <igorraven1@gmail.com> wrote:


This code segment works for the presenter, Huw, at https://youtu.be/8ibI5bfssCU?list=PLZHx5heVfgEvuveKG1T7BBSuDOTHl1eLl&t=1481


but it fails for me.

The Screen grab shows my code and error on left and working code on right.

What am I missing? Please be gentle ;-)

image.png


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