message: Update crawler-log-folder.py
diff: @@ -9,9 +9,9 @@ class Solution(object):
  """
  result = 0
  for log in logs:
  - if log == '../':
  + if log == "../":
  if result > 0:
  result -= 1
  - elif log != './':
  + elif log != "./":
  result += 1
  return result
  