Thank you very much AcesOfGlory. Very smart answer. I am proud to be part of codewars.

1.) You must not put a space between the operator. Change < = to <=.
2.) You must return the output instead of printing it. Change print to return.
3.) ^ is the operator for xor, not exponentials. Change ^ to **.
4.) You have missed the "Overweight" section of your code.

1.) Mark comments that have code in them as a "Spoiler".
2.) You can format code in the comments using Markdown: https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet#code-and-syntax-highlighting.

It gives me a syntax error