the operation of extracting the square root of a number and then squaring
it can lead to minor rounding errors due to
working with floating point numbers

the

Smort!

Thanks for clear this error out, morebebop.

I ran into the issue with complex number. It was just because the first test is for -1 and you can't take the square root of a negative number. That's why I ended up checking for a negative a number and returning False. The solution we're under also checked that n was positive before returning True

A very beautiful use of closure

great

Please use spoiler flag next time. Your post was visible in the homepage.

I love it!

woah index laws! smart!

Great!