new_contents: #!/usr/bin/env python
  #encoding:utf-8
  import os
  import time
  
  def add_tab(path):
      with open(path,'r') as f:
          flag = False
          data = ''
          tmp = '111'
          count = 0
          while tmp != '':
              tmp = f.readline()
  
              if tmp == '```\n':
                  if flag:
                      flag = False
                  else:
                      flag = True
                  data += tmp
                  continue
  
              if flag:
                  if tmp != '\n':
                      data += '    ' + tmp
                      # data += tmp[4:]
                      count += 1
              else:
                  data += tmp
  
      with open(path,'w') as f:
          f.write(data)
  
      return count
  
  def traverse(rootDir):
      list_dirs = os.walk(rootDir)
      for root, dirs, files in list_dirs:
          for d in dirs:
              print os.path.join(root, d)
          for f in files:
              path = os.path.join(root, f)
              if os.path.getmtime(path) > 1449214271 or os.path.getmtime(path) < 1449212309:
                  print '>>' + path + '\n  modified ',
                  print add_tab(path),
                  print 'lines'
  
  if __name__ == '__main__':
      traverse('/home/hanks/kiya/blog/source/_posts')
  
subject: USE STANDARD MARKDOWN GRAMMER!!!!! ESPECIALLY CODE!!