jkg-array-column-sum
`getColumnSum` is an npm package for calculating the total sum of a column of numbers in an array of arrays, where each inner array represents a row of data. The package exports a single function `getColumnSum` that takes in four arguments:
array-methods-package
A utility package that adds new higher-order functions (HOFs) to arrays, allowing you to directly calculate the sum of an array and remove duplicate numbers.
