Fibonacci

using System;
class Exercise1 {

  public static string test(int range) {
    string ans = "";
    int first = 0, second = 1, fibonicci = 0;

    for (int c = 0; c < range; c++) {
      if (c <= 1) {
        fibonicci = c;
        ans += (fibonicci.ToString()) + " ";
      } else {
        fibonicci = first + second;
        first = second;
        second = fibonicci;
        ans += (fibonicci.ToString()) + " ";
      }

    }
    return ans;
  }
}