爬虫之Requests

·http://www.python-requests.org/en/master/

requests.get(url,params=None,**kwargs)

requests.head(url,**kwargs)

requests.post(url,data=None,json=None,**kwargs)

request.put(url,data=Nones,**kwargs)

request.patch(url,data=Nones,**kwargs)

requests.delete(url,**kwargs)

修改user-agent

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