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I hate how this is possible in python, yet so efficient

optimize the next one 😉

I'm just having fun 😏

This is kinda going back and forth lol, there is hardly much a difference

Thanks, I try to make my code as Pythonic as possible.

This is the most optimal, very elegant and precise!

I thought mine was the most optimal. Lol

This is impressive, didn't think a dunder could have been used

This is correct according to PEP 8 styling for python code but in terms of 1 liners, hardly most of them follow this structure. I guess it's all based on preference.

According to PEP 8 – Style Guide for Python Code

Imports are always put at the top of the file, just after any module comments and docstrings, and before module globals and constants

Additionally,

Compound statements (multiple statements on the same line) are generally discouraged:

Correct:

if foo == 'blah':
    do_blah_thing()
do_one()
do_two()
do_three()

Rather not:

# Wrong:
if foo == 'blah': do_blah_thing()
do_one(); do_two(); do_three()

I don't think it matters if you use an import outside or inside since the code is still one line right?

as optimized as it can be for this kata. very short and concise!

You may be correct on that. I am not well versed on the time difference but even I can tell the first is faster by a margin. The first one however could be optimized.

I believe solution #1 is faster.