Nice expression for the usage test. Maybe one can add function "dec2base", cause the return type is a String.
The problem description should mention that dec2base isn't allowed either.
This will fail to detect certain palindromes which contain zero e.g. 10101 however the test suite doesn't (yet) contain any such.
There's something strange with the Cody test suites today...
Word Counting and Indexing
Generate a string like abbcccddddeeeee
Multiples of a Number in a Given Range
Find the 9's Complement
Parse me a Lisp
Give the Shortest Path Through The Maze
Clock Hand Angle 1
Return the Nth Output from an Input Command
Specific Element Count
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