Add solution for Challenge 13 by imankhodadi#1032
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imankhodadi wants to merge 1 commit intoRezaSi:mainfrom
Open
Add solution for Challenge 13 by imankhodadi#1032imankhodadi wants to merge 1 commit intoRezaSi:mainfrom
imankhodadi wants to merge 1 commit intoRezaSi:mainfrom
![go-interview-practice-bot[bot]](https://avatars.githubusercontent.com/u/6655338?v=4&size=32){kind=avatar}