Please improve the test suite. There is only one test case—three is a recommended minimum, though more may be necessary to completely and adequately test what is being asked.
Times 2 - START HERE
How to find the position of an element in a vector without using the find function
select the primes of a vector
Create a vector
Matrix element wise multiplication
Find the sum of the largest two elements in a vector
More Simple String Concatenation
Vector indexing: lower than mean
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