def isPalindrome(x: Int): Boolean = {

    val original = x.toString
    val reversed = original.reverse

    original == reversed
}


val result1 = isPalindrome(121)
println(result1) // Should print: true

val result2 = isPalindrome(-121)
println(result2) // Should print: false

val result3 = isPalindrome(10)
println(result3) // Should print: false

val result4 = isPalindrome(1221)
println(result4) // Should print: true

def yourFunction(nums: Array[Int]): Boolean = {

    for(i <- 0 until nums.length) {
        for(j <- i + 1 until nums.length) {
           if (nums(i) == nums(j)) {
                return true // Return true only when a duplicate is found
            }
        }
    }
    false
}

// Your function here
val result1 = yourFunction(Array(1, 2, 3, 1))
println(result1) // Should print: true

val result2 = yourFunction(Array(1, 2, 3, 4))
println(result2) // Should print: false

val result3 = yourFunction(Array(1, 1, 1, 3, 3, 4, 3, 2, 4, 2))
println(result3) // Should print: true

def reverseString(s: Array[Char]): Array[Char] = {
  for (i <- 0 until s.length / 2) {
    // Hint: Use your swap logic here
    val temp = s(i)
    s(i) = s(s.length - 1 - i)
    s(s.length - 1 - i) = temp

  }
  s // Return the modified array
}

val result = reverseString(Array('H', 'a', 'n', 'n', 'a', 'h'))
println(result.mkString(", ")) // Should print: h, a, n, n, a, H