python
安裝
1.安裝scl
$ sudo yum -y install scl-utils
2.下載python
$ sudo rpm -Uvh https://www.softwarecollections.org/en/scls/rhscl/python33/epel-7-x86_64/download/rhscl-python33-epel-7-x86_64.noarch.rpm
3.安裝python
$ sudo yum -y install python33
4.設定bash執行新版3.3程式
$ scl enable python33 bash
查詢版本
```bash
$ python -V
Python 3.3.2