Linux自带Python2.x版本，Python3的安装方法有多种，本文介绍安装包安装
安装开发依赖
1 | yum -y groupinstall development |
2 | |
3 | yum -y install zlib-devel |
下载Python3安装包
1 | wget https://www.python.org/ftp/python/3.6.3/Python-3.6.3.tgz |
2 | |
3 | tar zxvf Python-3.6.3.tgz |
4 | |
5 | cd Python-3.6.3 |
6 | |
7 | ./configure |
8 | |
9 | make && make install |
跑完之后，查看python3安装位置
1 | which python3 |
2 | |
3 | 显示如下： |
4 | [root@ ~]# which python3 |
5 | /usr/local/bin/python3 |
表示安装成功，此时Python2与Python3都安装在系统中
使用不同python版本
此时系统的默认Python版本2.x
1 | python |
2 | ython 2.6.6 (r266:84292, Aug 18 2016, 15:13:37) |
3 | [GCC 4.4.7 20120313 (Red Hat 4.4.7-17)] on linux2 |
4 | Type "help", "copyright", "credits" or "license" for more information. |
5 | >>> |
输入exit()，退出python程序
使用python3
1 | python3 |
2 | Python 3.6.3 (default, Dec 14 2017, 19:33:57) |
3 | [GCC 4.4.7 20120313 (Red Hat 4.4.7-18)] on linux |
4 | Type "help", "copyright", "credits" or "license" for more information. |
5 | >>> |
输入exit()，退出python3程序
使用python3则运行python3命令，使用python2则运行python