How to Install Python 3 on Ubuntu

Introduction

Python is a versatile programming language that is widely used for web development, data science, machine learning, and more. If you’re using Ubuntu, you can easily install Python 3 using the following methods.

Method 1: Installing Python 3 using APT

Step 1: Update the package repository

Bash

sudo apt update

Step 2: Install Python 3

Bash

sudo apt install python3

Step 3: Verify the installation

Bash

python3 --version

Method 2: Installing Python 3 from Source Code

Step 1: Update the local repositories

Bash

sudo apt update

Step 2: Install supporting software

Bash

sudo apt install build-essential libssl-dev libffi-dev zlib1g-dev

Step 3: Download the latest version of Python source code

Bash

wget https://www.python.org/downloads/release/python-3.11.0/Python-3.11.0.tgz

Step 4: Extract compressed files

Bash

tar -xf Python-3.11.0.tgz

Step 5: Configure and install Python

Bash

cd Python-3.11.0
./configure --prefix=/usr/local
sudo make install

Step 6: Verify the installation

Bash

python3 --version

Method 3: Installing Python 3 using PPA

Step 1: Update and refresh repository lists

Bash

sudo apt update
sudo apt upgrade

Step 2: Add the Deadsnakes PPA

Bash

sudo add-apt-repository ppa:deadsnakes/ppa

Step 3: Install Python 3

Bash

sudo apt install python3.11

Step 4: Verify the installation

Bash

python3 --version

Additional Notes

• If you’re using a different version of Ubuntu, you may need to adjust the commands accordingly.
• You can also install specific versions of Python using the APT or PPA methods.
• Once you have installed Python, you can start using it by running the python3 command.
• You can also use the pip3 command to install Python packages.

Conclusion

Python is a powerful and versatile programming language that can be used for a wide variety of tasks. By following the steps in this guide, you can easily install Python 3 on your Ubuntu system and start using it right away.