isympy software package provides Python shell for SymPy, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install isympy
isympy is installed in your system.
Make ensure the isympy package were installed using the commands given below,
$ sudo dpkg-query -l | grep isympy *
You will get with isympy package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Python |
| Package | isympy |
| Version | 0.7.6.1-1 |
| Description | Python shell for SymPy |
| Sub Section | Python |