Modules 07

// file-1.js
const sum = (x, y) = > x + y;
const square = x = > x * x;
const mean = data => data.reduce(sum) / data.length;
export default sum;

Let us assume that there is a file file-2.js in the same directory as file-1.js. Import the function sum from file-1.js into file-2.js by using the ES6 syntax.

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