Glad to hear that thanks, I have a lot of ideas but I need to refine the test cases

for future I hope to see more math kata's from you ;)

yes i know but for future

duplicate of existing kata

don't even bother, this is a duplicate kata

add random test cases

Time just isn't tested at all, really.

This is not an enforceable requirement anyway. Some things just can't be expressed as a kata.

no random tests

• use of math.factorial is not tested
• error message is unspecified.
• zero time on error is not fully tested.

• The use of time.time is not tested
• Returning different types (int/str) is bad practice

No random tests.

Tests are inconsistent with specs.

now?

The solution code has been posted instead of a kata description