在python中找不到与selenium匹配的发行版

我试图使用命令--pip install-U selenium通过Cmd安装

selenium

，但它显示了错误

Could not find a version that satisfies the requirement selenium (from version
s: )
No matching distribution found for selenium

请参阅下面的详细信息，我正在使用python 3.5.1

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

C:\Users\Anjali.Nautiyal>C:\Python34\Scripts\pip.exe install -U selenium
The system cannot find the path specified.

C:\Users\Anjali.Nautiyal>C:\Users\Anjali.Nautiyal\AppData\Local\Programs\Python\
Python35-32\Scripts\pip.exe install -U selenium
Collecting selenium
Could not find a version that satisfies the requirement selenium (from version
s: )
No matching distribution found for selenium

C:\Users\Anjali.Nautiyal>python setup.py install
python: can't open file 'setup.py': [Errno 2] No such file or directory

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从安装python 3.5.1之后

使用cmd.exe程序启动命令提示符，并按照下面给出的方式运行pip命令以安装selenium。试试这个，如果你遇到任何问题，请告诉我

C:\Python35\Scripts\pip.exe install selenium

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从安装python 3.5.1之后

使用cmd.exe程序启动命令提示符，并按照下面给出的方式运行pip命令以安装selenium。试试这个，如果你遇到任何问题，请告诉我

C:\Python35\Scripts\pip.exe install selenium

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你的pip版本是什么