s='A fractal is a natural phenomenon or a mathematical set that exhibits a repeating pattern that displays at every scale'
result = 12
Back to basics 7 - Equal NaNs
How to subtract?
Duplicate each element of a vector.
Is the paranthesis sequence balanced ?
Find the sum of the negative elements under the main diagonal.
Return the amount of palindromes (words) in the string.
Create cotangent function out of sine.
Solve the system of equations.
Find matrix of indices for multidimensional matrix.
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