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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.
It's anything but a good solution. Unnecessary lists, lambda functions and a while loop.
Yes, note that you can still use ifs in lambdas :
lambda x: A if C1 and C2 else B
see https://docs.python.org/3/reference/expressions.html#conditional-expressions
and https://www.python.org/dev/peps/pep-0308 for a detailed explanation.
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