由於系統已有2.6的python，最好不好修改系統的版本，使用編譯安裝

下載Python3.6.1包

wget https://www.python.org/ftp/python/3.6.1/Python-3.6.1.tar.xz

安裝依賴：

yum -y install readline-devel

解壓Python-3.6.1.tar.xz

xz -d Python-3.6.1.tar.xztar -xvf Python-3.6.1.tar

編譯安裝，指定/usr/local/python361目錄

cd Python-3.6.1./configure --prefix=/usr/local/python361make && make install

創建軟鏈接

[[email protected] bin]# ln -s /usr/local/python361/bin/python3.6 /usr/bin/python36

安裝ipython，使用國內豆瓣源，速度快。

python36 -m easy_install -i http://pypi.douban.com/simple/ ipython

測試ipython

[[email protected] ~]# ipython
/usr/local/python361/lib/python3.6/site-packages/ipython-6.1.0-py3.6.egg/IPython/core/history.py:226: UserWarning: IPython History requires SQLite, your history will not be saved
 warn("IPython History requires SQLite, your history will not be saved")
Python 3.6.1 (default, Jun 1 2017, 11:21:44) 
Type ‘copyright‘, ‘credits‘ or ‘license‘ for more information
IPython 6.1.0 -- An enhanced Interactive Python. Type ‘?‘ for help.
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Python學習筆記-編譯安裝Python3.6.1 + iPython