message: Update maximum-height-by-stacking-cuboids.py
diff: +# Time: O(n^2)
  +# Space: O(n)
  +class Solution(object):
  + def maxHeight(self, cuboids):
  + """
  + :type cuboids: List[List[int]]
  + :rtype: int
  + """
  + for cuboid in cuboids:
  + cuboid.sort()
  + cuboids.append([0, 0, 0])
  + cuboids.sort()
  + dp = [0]*len(cuboids)
  + for i in xrange(1, len(cuboids)):
  + for j in xrange(i):
  + if all(cuboids[j][k] <= cuboids[i][k] for k in xrange(3)):
  + dp[i] = max(dp[i], dp[j]+cuboids[i][2])
  + return max(dp)
  