On Tuesday, November 3, 2015 at 5:12:32 PM UTC-5, Richard wrote:
>
> Thank you for clarification I really appreciate...
>
> Also about previous posted kind of pseudo code above this work better in 
> case var1 is not yet defined :
>
> elif 'var1' in session:
>         del(session.var1)
>

Sure, or just:

session.pop('var1', None)

Anthony

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