Input(s) - any string
Output(n) - number of digits within string s
Additional test cases have been added.
High school cafeteria
Back to basics 9 - Indexed References
Back to basics 12 - Input Arguments
Implement simple rotation cypher
Create matrix with Gray code
Volume and area of a sphere
Number of odd and even elements within matrix
Vector of numbers divisible by 3
Mean and standard deviation of times in string
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