Thanks... that was just what I needed. 

I learned about: 
Ternary conditional operator in 
Python<http://stackoverflow.com/questions/394809/ternary-conditional-operator-in-python>
http://stackoverflow.com/questions/394809/ternary-conditional-operator-in-python


*and I understand much better the DAL shortcuts your showed.

*Ref: http://www.web2py.com/book/default/chapter/06#Shortcuts


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