Sum the same indexed (unique) rows. Examine the test suite.
Related Challenge - Problem 2172. Delete the rows in the middle
Add two numbers
kmph to mps
How many jokers?
02 - Vector Variables 5
07 - Common functions and indexing 2
Number of Even Elements in Fibonacci Sequence
Write c^3 as sum of two squares a^2+b^2
Cryptography with A Square Matrix : Encoding
Homemade: Control Charts
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