I've learned from this and similar solutions of the use of shiftdim with a negative number. This may well be handy for future programming. Thanks for showing us this feature.
Word Counting and Indexing
Filter AC, pass DC
The Tower of Hanoi
Given a matrix, return the last eigen value
Number of Circles in a Number
Triangle Numbers Below N
Lychrel Number Test (Inspired by Project Euler Problem 55)
Return the 'Size' of a String of Code
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