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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.
The Python description is confusing at least because there is no signature following "Write a method called greetingForAllFriends, with this signature:".
"Array" with a capital "A" also has no meaning in Python as it does in Java.
Typo: "array of friends name" -> "array of friends' names"
Generally the grammar of the description could be improved as well.
In the Python starter code, getNumber() is missing the ":" after the function declaration.