input: 
  def findMaxSum(limit: int, array: List[int]) -> int:
      """ Finds the maximum sum of an array of non-negative integers that is less than or equal to the given upper limit value.
      >>> findMaxSum(10, [1, 3, 5, 4, 2, 6])
      9
      >>> findMaxSum(15, [1, 3, 5, 4, 2, 6])
      15
      >>> findMaxSum(5, [1, 3, 5, 4, 2, 6])
      5
      """
      maxSum = 0
      for i in range(len(array)):
          currentSum = 0
          for j in range(i, len(array)):
              currentSum += array[j]
              if currentSum <= limit and currentSum > maxSum:
                  maxSum = currentSum
      return maxSum
  
output:     maxSum = 0
      for i in range(len(array)):
          currentSum = 0
          for j in range(i, len(array)):
              currentSum += array[j]
              if currentSum <= limit and currentSum > maxSum:
                  maxSum = currentSum
      return maxSum