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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.
Nice, thank you. I approved them, and random tests for the Python version would be great. :-)
Hey staticor, I updated the kata with a new unit test; the solution should handle subnetting not limited to the final octet:
assert (ipv4__parser('65.196.188.53', '255.255.240.0') == ('65.196.176.0', '0.0.12.53'))
Thanks. The failing link was:
[Subnetwork](en.wikipedia.org/wiki/Subnetwork)
Updated it with the protocol and should be working now:
[Subnetwork](http://en.wikipedia.org/wiki/Subnetwork)
Regex101 is a great regex sandbox for experimenting too.