code: def to_latex(self, column_format=None, longtable=False, encoding=None,
                   multicolumn=False, multicolumn_format=None, multirow=False):
          
  
          from pandas.io.formats.latex import LatexFormatter
          latex_renderer = LatexFormatter(self, column_format=column_format,
                                          longtable=longtable,
                                          multicolumn=multicolumn,
                                          multicolumn_format=multicolumn_format,
                                          multirow=multirow)
  
          if encoding is None:
              encoding = 'utf-8'
  
          if hasattr(self.buf, 'write'):
              latex_renderer.write_result(self.buf)
          elif isinstance(self.buf, str):
              import codecs
              with codecs.open(self.buf, 'w', encoding=encoding) as f:
                  latex_renderer.write_result(f)
          else:
              raise TypeError('buf is not a file name and it has no write '
                              'method')
docs: Render a DataFrame to a LaTeX tabular/longtable environment output.