// Given two promises promise1 and promise2, return a new promise.

// promise1 and promise2 will both resolve with a number.

// The returned promise should resolve with the sum of the two numbers.

/**

* @param {Promise} promise1

* @param {Promise} promise2

* @return {Promise}

*/

var addTwoPromises = async function(promise1, promise2) {

const [value1, value2] = await Promise.all([promise1, promise2]);

return value1 + value2;

};

/**

* addTwoPromises(Promise.resolve(2), Promise.resolve(2))

* .then(console.log); // 4

*/