function fizzBuzz(n: number): string[] {
    let h = []
    for (let i=1; i<=n;i++) {
        let string = ''
        if (i % 3 === 0){
          string += 'Fizz'
        } else if (i % 5 === 0) {
          string += 'Buzz'
        } else if (string === '') {
          string += i
        }
        h.push(string)
    }
    return h
};