new_contents: class Solution:
      # @param A : tuple of integers
      # @return an integer
      def maxSubArray(self, A):
          if max(A) < 0:
              return max(A)
          max_sub_array, non_continous_max = float("-inf"), 0
          for num in A:
              non_continous_max = max(0, non_continous_max + num)
              max_sub_array = max(max_sub_array, non_continous_max)
          return max_sub_array
          
  print(Solution().maxSubArray([-2,1,-3,4,-1,2,1,-5,4])
  
subject: Create maxSubArray.py