new_contents: # -*- coding:utf-8 -*_
  """
  ===========================
  ``comment`` Comment Example
  ===========================
  
  See Also
  --------
  
  References
  ----------
  .. [1] source code comment in numpy, http://www.numpy.org/
  
  Examples
  --------
  Module comment: like this, contains sections: title, See Also, References, Examples
  
  """
  
  
  class Comment(object):
      """
      Short description for calss comment.
  
      Detail description for class comment.
      """
  
      def __init__(self, *args):
          """
          Short description for this method, sometimes ignore.
  
          Detail description for the method, sometimes ignore.
  
          Parameters
          ----------
          args: some description about this argument, if no argument, no this section.
  
          Returns
          -------
          return-variable-name: some description
  
          Raises
          ------
          ExceptionClassName: some description, always condition description
  
          Notes
          -----
          Something need to note.
  
          Examples
          --------
          Show some usage examples here if you want.
          """
          # here is some comments in-line
          if args:
              pass
  
  def func_comment():
      """
      Same as comments for class's method
      """
      pass
  
  
subject: comment example