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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.
well... this code makes simple solution complicated.
It also isn't currently accepted as a solution.
would you like to elaborate on that? for us to understand the reasons behind your statement.
...as mentioned already 3 times before...
This comment is hidden because it contains spoiler information about the solution
@developmentline,I can't remember the exact number (500? 1000?) but it may be too late to modify the kata since so many people have already solved it. You can have a bigger influence on katas that are still in beta or newly approved.
right, I suggested a change related to that for the test cases. They should compare both lists.
@developmentline,The problem seems to be that the tests don't match the description. Thanks for the duplicate comment though.
This should compare the reference of both the orignal and the returned list. So it tests that the original list has not been mutated.
this mutates the original list
this mutates the original list.
this mutates the original list.
this is not correct, since it is mutating the original list
good example of bad coding