I am beginner, learning python want to crawl the daily net deep Shanghai stock clinch a deal the need of field, http://data.eastmoney.com/hsgt/top10.html
On the web browser can locate to the field (pictured)

But with beautifulsoup explain the HTML must show these fields (pictured)


My code is as follows

Ask what reason be?
And the structure of the scrape with the browser to see is not the same, this also can explain?