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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.
In this case, lower() will lower all first letters. It is a way to make words case insensitive, as all Rs will be converted to r, thus having no need to check for differences.
"that method automatically converts chars to lower case" - what method? Copy the solution, remove ".lower()" and submit it.
"What am I missing here?" - Hard to guess, Python knowledge?
Learned dictionaries from just this one solution. Sweet.
Never used dictionaries before. Cool.
why is lower() used? I thought that method automatically converts chars to lower case? What am I missing here?
Functions are first class citizen in Python.
You can reference them as any other object.
More on Real Python course and Tutorials Point
Where can I read up on this? What concept allows this to work? Is this some time of super efficient lambda expression? Help.
I figured this out all by my self, yay. Can I get a job now?
Damn im dumb.