如何查看下载进度？进度条呢？？python requests库

request即可得到下载的内容，这里不过增加了点信息，得到所下载内容的字节数

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import requests
>>> url='https://sr-gnn.bj.bceb/train-item-views.csv'
>>> help(requests.get)
Help on function get in module requests.api:

get(url, params=None, **kwargs)
    Sends a GET request.
    
    :param url: URL for the new :class:`Request` object.
    :param params: (optional) Dictionary, list of tuples or bytes to send
        in the query string for the :class:`Request`.
    :param \*\*kwargs: Optional arguments that ``request`` takes.
    :return: :c