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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.
That solved it! Thank you. I thought the test code is indepened of my own ...
Running the sample Tests fails for my (python, 2.7 and 3.4)
Test:
test.assert_equals( digital_root(16), 7 )
Error:
File "", line 20
test.assert_equals( digital_root(16), 7 )
^
SyntaxError: invalid syntax
Any suggestions?
Very nice idea with the array indexing!