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    Hey , did you put at the first issue return "true" if the string's is empty?
    With me this work's!

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    Hi!Two of my kata's have this problem "Execution Timed Out".I'm starting in programming and I want to get better on it. Guys , does anyone have any tip or place that can I learn about this?
    Pleeeeeeeeeeeeease somebody help me!!
    I start looking solutions , and one of my mistakes is using two "for" interation in very very big number's .So, any tip is welcome!