Hacktoberfest: Problem Solving

[moogacs]

Everybody are welcome to add a problem with it's solution in any language

Please add the *problem, example then the solution.

File name has to be as the problem name or function name

[himanshujaindev]

@moogacs can you assign this issue to me...

[moogacs]

@himanshujain171 you are welcome to add a problem with a solution, there's no need to assigned to you