module.exports = {
  createArray: (begin, end) => {
    const result = []
    for (let i = begin; i<end+1; i++){
      result.push(i)
    }
    return result
  },
  fromRoman: (_str) => {
    var str = _str.toString()
    var result = 0
    var decimal = [1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1]
    var roman = ["M", "CM","D","CD","C", "XC", "L", "XL", "X","IX","V","IV","I"]
    for (var i = 0; i <= decimal.length; i++) {
      while (str.indexOf(roman[i]) === 0) {
        result += decimal[i]
        str = str.replace(roman[i],'')
      }
    }
    return result;
  }
}