message: Update pour-water.py
diff: @@ -128,8 +128,9 @@ class Solution(object):
  :rtype: List[int]
  """
  for _ in xrange(V):
  + best = K
  for d in (-1, 1):
  - i = best = K
  + i = K
  while 0 <= i+d < len(heights) and \
  heights[i+d] <= heights[i]:
  if heights[i+d] < heights[i]: best = i+d
  