<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def parse_detail(self, response):
 """Parse individual product's detail"""

        # Product Information (a start)
        product_data = {
            'url': response.url,
            'name': response.css('div.page-title h1::text').extract_first(),
        }

        # Inventory Number
        inventory_number = re.search(
            r'(?P<inv_num>\d+)$',
            response.css('span.product-in::text').extract_first(),
        ).group('inv_num')
        product_data.update({'in': inventory_number})

        # Specifications (arbitrary key:value pairs)
        specs_table = response.css('#tab-specs dl')
        for row in specs_table.css('div.spec-row'):
            keys = row.css('dt::text').extract()
            values = row.css('dd::text').extract()
            product_data.update({
                key: value
                for (key, value) in zip(keys, values)
            })

        self.logger.info(product_data['name'])
        yield product_data