Input(s) - any string
Output(n) - number of digits within string s
Additional test cases have been added.
Maximum running product for a string of numbers
Sophie Germain prime
Given a 4x4 matrix, swap the two middle columns
Min of a Matrix
Array of Ones
Create matrix with Gray code
Volume and area of a sphere
Relative ratio of "1" in binary number
Number of odd and even elements within matrix
Mean and standard deviation of times in string
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