Py 环境有哪些特点和优势？
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本文共计192个文字，预计阅读时间需要1分钟。
Python官方网站：[https://www.python.org/downloads/](https://www.python.org/downloads/)pip安装指南：[https://pip.pypa.io/en/stable/installing/](https://pip.pypa.io/en/stable/installing/)
python：www.python.org/downloads/
pip：pip.pypa.io/en/stable/installing/#upgrading-pip
pip is already installed if you are using Python 2 >=2.7.9 or Python 3 >=3.4 downloaded from python.org
但 macox 上安装的py3.7 只有 pip3 命令，不管你本地有没有，先升级 pip。
$ pip3 -V && pip3 install -U pip && pip -V
numpy：pip install numpy -ipypi.tuna.tsinghua.edu.cn/simple
设置永久镜像源：mkdir ~/.pip && vi ~/.pip/pip.conf
[global] index-url=pypi.tuna.tsinghua.edu.cn/simple [install] trusted-host=pypi.tuna.tsinghua.edu.cn
Link:www.cnblogs.com/farwish/p/10823100.html
本文共计192个文字，预计阅读时间需要1分钟。
Python官方网站：[https://www.python.org/downloads/](https://www.python.org/downloads/)pip安装指南：[https://pip.pypa.io/en/stable/installing/](https://pip.pypa.io/en/stable/installing/)
python：www.python.org/downloads/
pip：pip.pypa.io/en/stable/installing/#upgrading-pip
pip is already installed if you are using Python 2 >=2.7.9 or Python 3 >=3.4 downloaded from python.org
但 macox 上安装的py3.7 只有 pip3 命令，不管你本地有没有，先升级 pip。
$ pip3 -V && pip3 install -U pip && pip -V
numpy：pip install numpy -ipypi.tuna.tsinghua.edu.cn/simple
设置永久镜像源：mkdir ~/.pip && vi ~/.pip/pip.conf
[global] index-url=pypi.tuna.tsinghua.edu.cn/simple [install] trusted-host=pypi.tuna.tsinghua.edu.cn
Link:www.cnblogs.com/farwish/p/10823100.html