Sum the same indexed (unique) rows. Examine the test suite.
Related Challenge - Problem 2172. Delete the rows in the middle
Remove all the consonants
Bottles of beer
Back to basics 6 - Column Vector
Angle between Two Vectors
Largest Prime Number
Pi Digit Probability
Duration of a trip in minutes
Write c^3 as sum of two squares a^2+b^2
Dealing with correlation results!
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