Linux 安装Python3

2017-12-14 12:46

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

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yum -y groupinstall development
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yum -y install zlib-devel

下载Python3安装包

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wget https://www.python.org/ftp/python/3.6.3/Python-3.6.3.tgz
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tar zxvf Python-3.6.3.tgz
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cd Python-3.6.3
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./configure
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make && make install

跑完之后,查看python3安装位置

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which python3
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显示如下:
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[root@ ~]# which python3
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/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

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python
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ython 2.6.6 (r266:84292, Aug 18 2016, 15:13:37)
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[GCC 4.4.7 20120313 (Red Hat 4.4.7-17)] on linux2
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Type "help", "copyright", "credits" or "license" for more information.
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>>>

输入exit(),退出python程序

使用python3

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python3
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Python 3.6.3 (default, Dec 14 2017, 19:33:57)
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[GCC 4.4.7 20120313 (Red Hat 4.4.7-18)] on linux
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Type "help", "copyright", "credits" or "license" for more information.
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>>>

输入exit(),退出python3程序

使用python3则运行python3命令,使用python2则运行python


标签: Python

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