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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 may not be a direct duplicate to existed katas, but due to the well-known formula and the diffculty of this task, you are not adding new/interesting things to CW.
Please unpublish and solve more katas so that you can create something interesing new to CW.
Also, Needs Random Tests.
And, it's Python, with builtin BigNumber support
so what are you doing with
5.0000000005e+19
?