--- id: 5900f4091000cf542c50ff1b challengeType: 5 title: 'Problem 156: Counting Digits' videoUrl: '' localeTitle: '' --- ## Description undefined ## Instructions undefined ## Tests ```yml tests: - text: '' testString: 'assert.strictEqual(euler156(), 21295121502550, "euler156() should return 21295121502550.");' ``` ## Challenge Seed ```js function euler156() { // Good luck! return true; } euler156(); ``` ## Solution ```js // solution required ```
euler156()