Arduino Yún Linux Programming - The Hands-on Arduino Yun Manual Lab - page 84

4.4 Python
Arduino Yún Linux has installed Python for you. You can test it via SSH Terminal. Type
these commands.
$ python
>>> a = 3
>>> b = 5
>>> c = a*b
>>> c
>>> quit()
If you want to install Python pip, you can type these commands.
$ opkg update
$ opkg install distribute
$ opkg install python-openssl
$ easy_install pip