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best practice

So clever!

fstrings ftw

Thanks for pointing that out :)

1. spoiler flag
2. didn't exist yet, at that time :p

Great solution! Nice use of zip! I think it is going to be faster with map(int, str(key)).

Note that the initial height is set to upSpeed and height is compared to desiredHeight before the night falls.

This issue is still present. Hope it gets fixed.

If n is not an integer, we are told to return an empty value. So for python I suppose we should return None. However, right now the kata requires "None" instead of None. I hope this gets fixed.

My solution was similar to this one, but it shows the value of experience with the extras which they used:

1. Using an * to unpack the tuple generated by divmod.
2. Using the quotient operator to lose decimal places of a float (rather than casting to int).

I'm glad I got close, but even gladder I could reference this answer to learn a little more.

Thanks.

"True if condition else False" is the same as "condition".

'0' is not a valid input. I hope this gets fixed.