Given a string x, return the sum of all ASCII numbers of all characters.
for example, if x='lala' ('l'-> 108, 'a'->97) then y = 108+97+108+97
Find the numeric mean of the prime numbers in a matrix.
Simple equation: Annual salary
Replace every 3rd element in a vector with 4
Write a code that will follow the equation y = x * (x + x) * x.
Odd times 3
Magnitude of a vector
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