On Aug 16 2015, Paul Moore <p.f.moore@gmail.com> wrote:
> 2. By far and away the most common use for me would be things like
> print(f"Iteration {n}: Took {end-start) seconds").

I believe an even more common use willl be

print(f"Iteration {n+1}: Took {end-start} seconds")

Note that not allowing expressions would turn this into the rather
verbose:

iteration=n+1
duration=end-start
print(f"Iteration {iteration}: Took {duration} seconds")