How to use the pygsheets.models.Worksheet.get_addr function in pygsheets

# @TODO fit the minimum rectangle than whole array
            values = [[None for x in range(self.cols)] for y in range(self.rows)]
            for cell in cell_list:
                values[cell.col-1][cell.row-1] = cell.value
        body = dict()
        estimate_size = False
        if type(crange) == str:
            if crange.find(':') == -1:
                estimate_size = True
        elif type(crange) == tuple:
            estimate_size = True
        else:
            raise InvalidArgumentValue

        if estimate_size:
            start_r_tuple = Worksheet.get_addr(crange, output='tuple')
            if majordim == 'ROWS':
                end_r_tuple = (start_r_tuple[0]+len(values), start_r_tuple[1]+len(values[0]))
            else:
                end_r_tuple = (start_r_tuple[0] + len(values[0]), start_r_tuple[1] + len(values))
            body['range'] = self._get_range(crange, Worksheet.get_addr(end_r_tuple))
        else:
            body['range'] = self._get_range(*crange.split(':'))
        body['majorDimension'] = majordim
        body['values'] = values
        self.client.sh_update_range(self.spreadsheet.id, body, self.spreadsheet.batch_mode)

def __init__(self, pos, val='', worksheet=None):
        self.worksheet = worksheet
        if type(pos) == str:
            pos = Worksheet.get_addr(pos, 'tuple')
        self._row, self._col = pos
        self._label = Worksheet.get_addr(pos, 'label')
        self._value = val  # formated vlaue
        self._unformated_value = val    # @TODO
        self._formula = ''
        # self.format = FormatType.CUSTOM  # @TODO
        self.parse_value = True  # if the value will be parsed to corsp types
        self._parse_formula = False # should value parse formula
        self._comment = ''  # @TODO

def _get_range(self, start_label, end_label):
        """get range in A1 notation, given start and end labels

        """
        return self.title + '!' + ('%s:%s' % (Worksheet.get_addr(start_label, 'label'),
                                              Worksheet.get_addr(end_label, 'label')))

def __init__(self, pos, val='', worksheet=None):
        self.worksheet = worksheet
        if type(pos) == str:
            pos = Worksheet.get_addr(pos, 'tuple')
        self._row, self._col = pos
        self._label = Worksheet.get_addr(pos, 'label')
        self._value = val  # formated vlaue
        self._unformated_value = val    # @TODO
        self._formula = ''
        # self.format = FormatType.CUSTOM  # @TODO
        self.parse_value = True  # if the value will be parsed to corsp types
        self._parse_formula = False # should value parse formula
        self._comment = ''  # @TODO