code: def lab_dump(ann, comment, filename, sep, comment_char):
      '''Save an annotation as a lab/csv.
  
      Parameters
      ----------
      ann : Annotation
          The annotation object
  
      comment : str
          The comment string header
  
      filename : str
          The output filename
  
      sep : str
          The separator string for output
  
      comment_char : str
          The character used to denote comments
      '''
  
      intervals, values = ann.to_interval_values()
  
      frame = pd.DataFrame(columns=['Time', 'End Time', 'Label'],
                           data={'Time': intervals[:, 0],
                                 'End Time': intervals[:, 1],
                                 'Label': values})
  
      with open(filename, 'w') as fdesc:
          for line in comment.split('\n'):
              fdesc.write('{:s}  {:s}\n'.format(comment_char, line))
  
          frame.to_csv(path_or_buf=fdesc, index=False, sep=sepf lab_dump(ann, comment, filename, sep, comment_char):
      '''Save an annotation as a lab/csv.
  
      Parameters
      ----------
      ann : Annotation
          The annotation object
  
      comment : str
          The comment string header
  
      filename : str
          The output filename
  
      sep : str
          The separator string for output
  
      comment_char : str
          The character used to denote comments
      '''
  
      intervals, values = ann.to_interval_values()
  
      frame = pd.DataFrame(columns=['Time', 'End Time', 'Label'],
                           data={'Time': intervals[:, 0],
                                 'End Time': intervals[:, 1],
                                 'Label': values})
  
      with open(filename, 'w') as fdesc:
          for line in comment.split('\n'):
              fdesc.write('{:s}  {:s}\n'.format(comment_char, line))
  
          frame.to_csv(path_or_buf=fdesc, index=False, sep=sep)
docs: Save an annotation as a lab/csv.
  
      Parameters
      ----------
      ann : Annotation
          The annotation object
  
      comment : str
          The comment string header
  
      filename : str
          The output filename
  
      sep : str
          The separator string for output
  
      comment_char : str
          The character used to denote comments