Ikkita butun son K va N berilgan (K ≤ N). K dan N gacha bo'lgan barcha butun sonlarni o'sish tartibida, bo'sh joy bilan ajratib satr sifatida qaytaring (masalan "3 4 5").
func rangeKtoN(K int, N int) string {
// ...
}
Input: K=3, N=7
Output: "3 4 5 6 7"
Input: K=1, N=5
Output: "1 2 3 4 5"
Input: K=10, N=10
Output: "10"