input: def sum_of_elements_with_two_digits(arr, k):
      """
      Given a non-empty list of integers arr and an integer k, return
      the sum of the elements with at most two digits from the first k elements of arr.
  
      Example:
  
          Input: arr = [111,21,3,4000,5,6,7,8,9], k = 4
          Output: 24 # sum of 21 + 3
  
      Constraints:
          1. 1 <= len(arr) <= 100
          2. 1 <= k <= len(arr)
      """
output:     result = 0
      for i in range(min(k, len(arr))):
          if -99 <= arr[i] <= 99:
              result += arr[i]
      return result