yum groupinstall 'Development Tools'  yum install zlib-devel bzip2-devel  openssl-devel ncurses-devel  wget  https://www.python.org/ftp/python/3.5.0/Python-3.5.0.tar.xz  ls  tar Jxvf  Python-3.5.0.tar.xz  cd Python-3.5.0  ./configure --prefix=/usr/local/python3  make && make install  ln -s /usr/local/python3/bin/python3.5 /usr/local/bin/python3  python

[root@localhost Python-3.5.0]# pythonPython 2.7.5 (default, Nov  6 2016, 00:28:07) [GCC 4.8.5 20150623 (Red Hat 4.8.5-11)] on linux2Type "help", "copyright", "credits" or "license" for more information.>>>

安装成功