首页 > 代码库 > python--windows安装

python--windows安装

官方网站下载中心

打开官网下载:

 https://www.python.org/downloads/windows/ 

下载后,放到一个适当的目录下。进行安装,按照指示下一步,下一步安装完毕。

配置环境变量:

如图所示:

2.x 是 Python 2.7.12

3.x 是 Python 3.5.2

 

技术分享

技术分享

技术分享

验证是否安装正确:

C:\Users\Syaving>python3Python 3.5.2 (v3.5.2:4def2a2901a5, Jun 25 2016, 22:01:18) [MSC v.1900 32 bit (Intel)] on win32Type "help", "copyright", "credits" or "license" for more information.>>> exit()C:\Users\Syaving>python2Python 2.7.12 (v2.7.12:d33e0cf91556, Jun 27 2016, 15:19:22) [MSC v.1500 32 bit (Intel)] on win32Type "help", "copyright", "credits" or "license" for more information.>>> exitUse exit() or Ctrl-Z plus Return to exit>>>

 

C:\Users\Syaving>pip3Usage:  pip <command> [options]Commands:  install                     Install packages.  download                    Download packages.  uninstall                   Uninstall packages.  freeze                      Output installed packages in requirements format.  list                        List installed packages.  show                        Show information about installed packages.  check                       Verify installed packages have compatible dependencies.  search                      Search PyPI for packages.  wheel                       Build wheels from your requirements.  hash                        Compute hashes of package archives.  completion                  A helper command used for command completion.  help                        Show help for commands.General Options:  -h, --help                  Show help.  --isolated                  Run pip in an isolated mode, ignoring                              environment variables and user configuration.  -v, --verbose               Give more output. Option is additive, and can be                              used up to 3 times.  -V, --version               Show version and exit.  -q, --quiet                 Give less output. Option is additive, and can be                              used up to 3 times (corresponding to WARNING,                              ERROR, and CRITICAL logging levels).  --log <path>                Path to a verbose appending log.  --proxy <proxy>             Specify a proxy in the form                              [user:passwd@]proxy.server:port.  --retries <retries>         Maximum number of retries each connection should                              attempt (default 5 times).  --timeout <sec>             Set the socket timeout (default 15 seconds).  --exists-action <action>    Default action when a path already exists:                              (s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort.  --trusted-host <hostname>   Mark this host as trusted, even though it does                              not have valid or any HTTPS.  --cert <path>               Path to alternate CA bundle.  --client-cert <path>        Path to SSL client certificate, a single file                              containing the private key and the certificate                              in PEM format.  --cache-dir <dir>           Store the cache data in <dir>.  --no-cache-dir              Disable the cache.  --disable-pip-version-check                              Dont periodically check PyPI to determine                              whether a new version of pip is available for                              download. Implied with --no-index.C:\Users\Syaving>pip2Usage:  pip <command> [options]Commands:  install                     Install packages.  download                    Download packages.  uninstall                   Uninstall packages.  freeze                      Output installed packages in requirements format.  list                        List installed packages.  show                        Show information about installed packages.  check                       Verify installed packages have compatible dependencies.  search                      Search PyPI for packages.  wheel                       Build wheels from your requirements.  hash                        Compute hashes of package archives.  completion                  A helper command used for command completion.  help                        Show help for commands.General Options:  -h, --help                  Show help.  --isolated                  Run pip in an isolated mode, ignoring                              environment variables and user configuration.  -v, --verbose               Give more output. Option is additive, and can be                              used up to 3 times.  -V, --version               Show version and exit.  -q, --quiet                 Give less output. Option is additive, and can be                              used up to 3 times (corresponding to WARNING,                              ERROR, and CRITICAL logging levels).  --log <path>                Path to a verbose appending log.  --proxy <proxy>             Specify a proxy in the form                              [user:passwd@]proxy.server:port.  --retries <retries>         Maximum number of retries each connection should                              attempt (default 5 times).  --timeout <sec>             Set the socket timeout (default 15 seconds).  --exists-action <action>    Default action when a path already exists:                              (s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort.  --trusted-host <hostname>   Mark this host as trusted, even though it does                              not have valid or any HTTPS.  --cert <path>               Path to alternate CA bundle.  --client-cert <path>        Path to SSL client certificate, a single file                              containing the private key and the certificate                              in PEM format.  --cache-dir <dir>           Store the cache data in <dir>.  --no-cache-dir              Disable the cache.  --disable-pip-version-check                              Dont periodically check PyPI to determine                              whether a new version of pip is available for                              download. Implied with --no-index.

 

python--windows安装