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
Return the first and last character of a string
Will there be a new leader?
03 - Matrix Variables 4
Flip the bit
Matlab Basics II - Count rows in a matrix
Connect 4 (the boardgame)
Magnitude of a vector
Add the positive numbers
How many complete pizzas
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