When you enter the number, it should return the number multiplied by 3
Please improve the test suite.
Not great problem, poor test suite
This user (ALBERT ALEXANDER STONIER) appears to have gamed the system, with fraudulent "likes" of this unremarkable solution submitted by 'sock-puppet' accounts. —DIV
Sums with Excluded Digits
Create a square matrix of multiples
Given a matrix, return the last eigen value
Sum the Digits of a Number
Derivative of polynomial
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