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
Back and Forth Rows
Is this triangle right-angled?
Convert Fahrenheit to Celsius
Summation of array
Remove multiples of N
Add the odd numbers
Add the even numbers
Reduce the logic
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