Install Python 3.4 Ubuntu

This quick tutorial is going to show you how to install Python 3.3.5 (or 3.4.0) and set as default in Ubuntu 14.04 and Ubuntu 12.04.

May 09, 2014 This quick tutorial is going to show you how to install Python 3.3.5 (or 3.4.0) and set as default in Ubuntu 14.04 and Ubuntu 12.04. Python 3.3.5 was released on March 9th, 2014. It fixed: a 3.3.4 regression in zipimport; a 3.3.4 regression executing scripts with a coding declared and Windows newlines. Download python 3.4.3 for Linux from python official site(www.python.org) 2.extract it in specified place. 3.open Terminal and change the directory to ur extracted python folder. If you are using Ubuntu 16.10 or newer, then you can easily install Python 3.6 with the following commands: $ sudo apt-get update $ sudo apt-get install python3.6 If you’re using another version of Ubuntu (e.g. The latest LTS release) or you want to use a more current Python, we recommend using the deadsnakes PPA to install Python 3.8. 12 hours ago venv will usually install the most recent version of Python that you have available. If you have multiple versions of Python on your system, you can select a specific Python version by running python3 or whichever version you want.

Python 3.3.5 was released on March 9th, 2014. It fixed:

a 3.3.4 regression in zipimport
a 3.3.4 regression executing scripts with a coding declared and Windows newlines
potential DOS using compression codecs in bytes.decode()

Python 3.4.0 was released one week later than 3.3.5 with below new features:

a “pathlib” module providing object-oriented filesystem paths
a standardized “enum” module
a build enhancement that will help generate introspection information for builtins
improved semantics for object finalization
adding single-dispatch generic functions to the standard library
a new C API for implementing custom memory allocators
changing file descriptors to not be inherited by default in subprocesses
a new “statistics” module
standardizing module metadata for Python’s module import system
a bundled installer for the pip package manager
a new “tracemalloc” module for tracing Python memory allocations
a new hash algorithm for Python strings and binary data
a new and improved protocol for pickled objects
a new “asyncio” module, a new framework for asynchronous I/O

Install:

A third party launchpad PPA contains older and newer Python version for Ubuntu. The two Python releases are available in the PPA for Ubuntu 14.04 and Ubuntu 12.04.

To add the PPA, press Ctrl+Alt+T on keyboard to open the terminal and run:

You may read the PPA description in the output and then:

Install Python 3.3.5 via:

Or install python 3.4.0 via:

To set your installed python as default, run the below commands one by one (You may change python3.3 to python3.4 in the code):