sumSquareDifference(10)
should return a number.
testString: assert(typeof sumSquareDifference(10) === 'number');
- text: sumSquareDifference(10)
should return 2640.
testString: assert.strictEqual(sumSquareDifference(10), 2640);
- text: sumSquareDifference(20)
should return 41230.
testString: assert.strictEqual(sumSquareDifference(20), 41230);
- text: sumSquareDifference(100)
should return 25164150.
testString: assert.strictEqual(sumSquareDifference(100), 25164150);
```