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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.
https://peps.python.org/pep-0008/
code inside of JavaScript classes runs in strict mode. In strict mode, using an undeclared variable throws an Error instead of creating a global variable with that name. Since you did not declare
number
withvar
,let
orconst
, your code failsThe level is not set by me. It's set more or less by beta testers.