can anyone give me a hint about this problem
I found the help for this problem to be a bit circular. In the end, there was a comment from one of the blog posts that mentioned looking at the undocumented mtree code (e.g. 'edit mtree' a the command line). It's a big class, but try looking for the nodesize method and go from there. I don't know if this is how actually how cody comes up with the score, but the number of nodes from mtree works as a solution here.
Find state names that end with the letter A
Back to basics 7 - Equal NaNs
Remove the two elements next to NaN value
07 - Common functions and indexing 3
Cache me Outside
Pull the variable y_correct from the Caller's Workspace
Number of 1s in the Binary Representation of a Number
The Dark Side of the Die
Number of Circles in a Number
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