List question

[Zentrader]

> No one meant to laugh at you.  Your naivete was not obvious.  FWIW, a
> sense of humor is a valuable possession in most Python-related
> conversations.

Perhaps someone can explain how telling something like this to the OP,
who thinks this statement will work
if 'one' and 'two' in f:
is funny and not mean.  In the words of whoever it was in "Gone With
The Wind", frankly I don't give a damn (except to not mislead relative
newbies).  But this has wasted enough of everyone's time.