Input(s) - any string
Output(n) - number of digits within string s
Additional test cases have been added.
Extract leading non-zero digit
The Goldbach Conjecture, Part 2
Bottles of beer
Spot the outlier
Who invented zero?
Create matrix with Gray code
Return area of square
Vector of numbers divisible by 3
Number of odd and even elements within matrix
Volume and area of a sphere
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