def append(self, data, **keys):
firstrow = self._info['<STR_LIT>']<EOL>keys['<STR_LIT>'] = firstrow<EOL>self.write(data, **keys)<EOL>
Append new rows to a table HDU

parameters
----------
data: ndarray or list of arrays

    A numerical python array with fields (recarray) or a list of
    arrays.  Should have the same fields as the existing table. If only
    a subset of the table columns are present, the other columns are
    filled with zeros.

columns: list, optional
    if a list of arrays is sent, also send the columns
    of names or column numbers