s='A fractal is a natural phenomenon or a mathematical set that exhibits a repeating pattern that displays at every scale'
result = 12
Remove the vowels
Inner product of two vectors
Is my wife right?
Back to basics 17 - white space
03 - Matrix Variables 1
Return ! if array element starts with a certain letter. Otherwise return ?
Create cotangent function out of sine.
Find the sum of the negative elements under the main diagonal.
Find the product of the positive elements above the main diagonal.
Calculate the eigenvalues of A.
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