In a array x, count the number of times the number n appears in x.
for example: x = [1 2 3 4 3 2 1 2] and n = 2 the answer should be 3, because 2 appears 3 times in x
Right and wrong
Find out sum of prime number till given number
Replace every 3rd element in a vector with 4
How many complete pizzas
i forgot to use capital I
Add the odd numbers
All odd - all even
sum of ASCII
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