Input(s) - any string
Output(n) - number of digits within string s
Additional test cases have been added.
Make one big string out of two smaller strings
2 b | ~ 2 b
Permute diagonal and antidiagonal
Replace multiples of 5 with NaN
Generate a NaN...on purpose
Vector of numbers divisible by 3
Can I make a right triangle ?
Relative ratio of "1" in binary number
Create matrix with Gray code
Return area of square
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