def deletecols(self, cols):
if isinstance(cols, str):<EOL><INDENT>cols = cols.split('<STR_LIT:U+002C>')<EOL><DEDENT>deletenames = utils.uniqify(utils.listunion([[c] if c in<EOL>self.dtype.names else self.coloring[c] for c in cols]))<EOL>return spreadsheet.deletecols(self, deletenames)<EOL>
Delete columns and/or colors.

Method wraps::

        tabular.spreadsheet.deletecols(self, cols)