Hi Marisa: Thanks for contributing some problems to Cody! I want to encourage you to make your problems more general so that there's more than just one input and out output. Maybe you could make this problem into something more like this: "Round the given number to the nearest integer." Then pass in several numbers, not just one.
Find all elements less than 0 or greater than 10 and replace them with NaN
Program an exclusive OR operation with logical operators
Energy of a photon
Find out total non zero element of matrix
Square a Number
Replacing a row
Deleting an element in a matrix
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