我们知道python中有着许多包的存在，那么在安装和管理的工具上，我们可以使用pip来完成。当然python安装包的工具有很多中类型，本篇着重于pip的讲解，下面我们就来一起看看它是如何对包进行管理的吧。
1、说明
pip是一个安装和管理Python包的工具，python安装包的工具有easy_install, setuptools, pip，distribute等。而pip是easy_install的替代品。pip作为包管理器。这意味着它是一个工具，允许你安装和管理不属于标准库的其他库和依赖。
2、使用
安装后在命令行中键入：pip+ 回车，就会出现如下使用说明：
Usage:
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.
config Manage local and global configuration.
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
Don't periodically check PyPI to determine whether a new version of pip is available for
download. Implied with --no-index.
--no-color Suppress colored output以上就是python pip的内容分享，相信大家已经知道pip命令的使用了，希望对初学python的人有所帮助。更多Python学习推荐:PyThon学习网教学中心
（推荐操作系统：windows7系统、Python 3.9.1，DELL G3电脑。）
