human
Write me a the Python program you requested given the following:
Complete the below
def convert_column_args(method):

    ''''Decorator function to convert A1 notation in columns method calls
    to the default row/col notation.'
    '''
assistant
#Here is the Python program you requested.
    def column_wrapper(self, *args, **kwargs):
        try:
            if len(args):
                int(args[0])
        except ValueError:
            (cell_1, cell_2) = [(col + '1') for col in args[0].split(':')]
            (_, col_1) = xl_cell_to_rowcol(cell_1)
            (_, col_2) = xl_cell_to_rowcol(cell_2)
            new_args = [col_1, col_2]
            new_args.extend(args[1:])
            args = new_args
        return method(self, *args, **kwargs)
    return column_wrapper