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.
Which doors are open?
Summing Digits within Text
How to find the position of an element in a vector without using the find function
Make one big string out of two smaller strings
Compute a dot product of two vectors x and y
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