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...
Implement a ROT13 cipher
Remove the small words from a list of words.
Number of 1s in a binary string
Rounding off numbers to n decimals
Guess the Coefficients!
Next Lower Power of B
Number of Circles in a Number
Right Triangle Side Lengths (Inspired by Project Euler Problem 39)
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