code: def parse_alignment_summary_metrics(fn):
      
      df = pd.read_table(fn, index_col=0, skiprows=range(6) + [10, 11]).T
      return df
docs: Parse the output from Picard's CollectAlignmentSummaryMetrics and return as
      pandas Dataframe.
  
      Parameters
      ----------
      filename : str of filename or file handle
          Filename of the Picard output you want to parse.
  
      Returns
      -------
      df : pandas.DataFrame
          Data from output file.