cool

oh you know about Python a lot

always

A genius just use one line of code

this is not basic knowledge

oh got it

oh yeah!that's it

the function "enumerate" is so cool!

I also forgot it

you don't need strip

oh I just learned how to use "not in" recently but I forgot to apply it.

just like my solution

somewhere is wrong

Solve problems using mathematical methods.

oh it's exactly the same