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
Remove all the consonants
Finding Perfect Squares
Return 'on' or 'off'
How many complete pizzas
Check capital letters
How many complete pizzas (number 2)
sum of ASCII
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