Writing a function to another variable in JavaScript

Let we have our function func:

function func() {
	console.log('!');
}

Let's copy its source code into the variable test:

function func() {
	console.log('!');
}

let test = func; // now test is the same function as func

// Let's check:
test(); // shows '!'
func(); // shows '!'

Make the function func1 that will return the number 3 via return.

Copy the source code of the function func1 into the variable func2.

Print to the console the sum of the results of the functions func1 and func2.