[smartaz42]

Hmm, isn't square normally x*x?

[WalterGR]

Mr. Bright is just using TDD. The ‘square’ function works for 2. Next he’ll generalize it to work for more values. Tests aren’t shown. ;)

[WalterBright]

I tested it, it worked for the one and only test case, therefore it was correct :-)

[mhh__]

Walter actually retired years ago and replaced himself with an AI. Every now and again there are bugs, move along.