This is a test for learning the process of creating a Cody problem.
The goal of this test problem will be to create an array, x, with 5 rows and 5 columns of nothing but 1's.
How to find the position of an element in a vector without using the find function
Replicate elements in vectors
Given a 4x4 matrix, swap the two middle columns
Create sequnce 1 4 9 16 25.........
Change string to number
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