Find the element from matrix which is in 2nd row and 3rd column.
At a minimum, you should make this problem variable. For example, find the element at the ith row and jth column and define i and j in the test cases, which are passed along with the function.
Replace NaNs with the number that appears to its left in the row.
Replace May with April
Say something funny
Who invented zero?
modulus of a number
find the mean of all elements in a matrix
multiply an array by its position number
Calculating selling price
Find remainder when x is divided by 3
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