[Tutor] Another assert() question

[Steve Willoughby]

Dick Moores wrote:
> Yes! A rule, not logic. I'm not contradicting Kent, just helping myself 
> understand. First the rule, then logic in the application of the rule. 
> And I assume the rule is there in Python because it makes things work 
> better.

Yes, so a statement like "if foo:" becomes an idiom for "if the 
collection foo has stuff in it:" which is handy whether foo is a text 
string or a list of objects.