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 a Pythagorean triple
Deleting an element in a matrix
All odd - all even
Reduce the logic
Remove multiples of N
How many complete pizzas (number 2)
X plus binary inverted x
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