Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
This comment is hidden because it contains spoiler information about the solution
booleans should return null..
yeah.. use isNaN(var) to compare if your variable is a number or not before return values
exactly ! my code passed every 43 random tests but it failed one of the basic tests and I don't know why
this is a strange question, given that the compilation doesn't show us exactly where the fault lies
Python test cases should be adjusted to prevent solutions like this from passing
This comment is hidden because it contains spoiler information about the solution
2 should equal None
Am failing this testcase and I have failed to figure out what it is about
Kindly support on this