Problem :: Remove this from the Array

Question

I have created an array with same string , but the my problem is to remove the empty strings from the array.
Example is here
https://code.sololearn.com/cQ8aKJ2oA8uB/?ref=app

Answer 1

a = a-[""]

Yes, indeed. This is Ruby we are talking about.

Answer 2

Thanks Hatsy Rei for the answer.