s='A fractal is a natural phenomenon or a mathematical set that exhibits a repeating pattern that displays at every scale'
result = 12
Stuff the Board
Simple equation: Annual salary
03 - Matrix Variables 5
Replacing a row
Finding perimeter of a rectangle
Check if a string starts with another string
Create cotangent function out of sine.
Numerate input arguments
Find the sum of the negative elements under the main diagonal.
Return ! if array element starts with a certain letter. Otherwise return ?
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