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...
Least common multiple of many numbers
Back to basics 15 - Benchmark
Find the biggest empty box
Max index of 3D array
Given area find sides
Read a Soroban Abacus
Number of Circles in a Number
Next Lower Power of B
First N Perfect Squares
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