Python 3.x

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1. Python 3 安装

1.1. 源码安装（推荐）

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# 下载安装包
wget https://www.python.org/ftp/python/3.7.1/Python-3.7.1.tgz
# 解压
tar -xzvf Python-3.7.1.tgz
# 切换目录
cd Python-3.7.1
# 生成 makefile 文件
./configure --prefix=/usr/local/Python --enable-optimizations
# 编译安装
make
make install
hash -r
ln -s /usr/local/Python/bin/python3.7 /usr/bin/python3
ln -s /usr/local/Python/bin/pip /usr/bin/pip3

1.2. CentOS 软件包方式安装

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# 安装 python3
yum install python36
# 安装 pip3
python36 get-pip.py