Getting Started with Python: Installation & Setup on Linux, MS Windows, and MacOS

Table of Contents

  1. Introduction
  2. Prerequisites
  3. Installing Python on Linux
  4. Installing Python on MS Windows
  5. Installing Python on MacOS
  6. Verifying the Installation
  7. Conclusion

Introduction

Python is a versatile and powerful programming language widely used in various domains such as web development, data science, and automation. This tutorial will guide you through the process of installing Python on different operating systems, including Linux, MS Windows, and MacOS. By the end of this tutorial, you will have Python installed on your system and be ready to start writing Python code.

Prerequisites

Before starting this tutorial, ensure that you have the following:

  • A Linux, MS Windows, or MacOS operating system.
  • An internet connection to download Python.
  • Administrative privileges (if required) to install software on your system.

Installing Python on Linux

Step 1: Update Package Lists

Before installing Python, it’s a good practice to update the package lists on your Linux system. Open a terminal and run the following command: sudo apt update

Step 2: Install Python

To install Python on Linux, run the following command in the terminal: sudo apt-get install python3 This command will install Python 3, which is the latest major version of Python.

Step 3: Verify the installation

To verify that Python has been successfully installed, open a terminal and type the following command: python3 --version You should see the version number of Python displayed on the screen, indicating that Python has been installed successfully.

Installing Python on MS Windows

Step 1: Download Python Installer

To install Python on MS Windows, you need to download the official Python installer from the Python website. Open your web browser and go to the Python Downloads page.

Step 2: Run the Installer

Locate the downloaded installer and double-click on it to run the installer. In the installation wizard, ensure that the “Add Python to PATH” option is checked and click on the “Install Now” button.

Step 3: Verify the installation

To verify that Python has been successfully installed, open the Command Prompt by pressing Win + R, typing cmd, and clicking OK. In the command prompt, type the following command and press Enter: python --version You should see the version number of Python displayed on the screen, indicating that Python has been installed successfully.

Installing Python on MacOS

Step 1: Download Python Installer

To install Python on MacOS, you need to download the official Python installer from the Python website. Open your web browser and go to the Python Downloads page.

Step 2: Run the Installer

Locate the downloaded installer and double-click on it to run the installer. In the installation wizard, ensure that the “Add Python to PATH” option is checked and click on the “Install Now” button.

Step 3: Verify the installation

To verify that Python has been successfully installed, open the Terminal by going to Applications → Utilities → Terminal. In the terminal, type the following command and press Enter: python --version You should see the version number of Python displayed on the screen, indicating that Python has been installed successfully.

Verifying the Installation

To verify that Python is working correctly on your system, you can open a Python interactive session or create a simple Python script and run it.

Opening a Python Interactive Session

To open a Python interactive session, open the terminal or command prompt and type the following command: python This will start the Python interpreter, and you will see a prompt that looks like >>>. You can now type Python code directly into the interpreter and press Enter to execute it.

Creating a Simple Python Script

To create a simple Python script, open a text editor and enter the following code: python print("Hello, Python!") Save the file with a .py extension, such as hello.py. Open a terminal or command prompt, navigate to the directory where you saved the file, and run the following command: python hello.py You should see the output Hello, Python! displayed on the screen, indicating that Python is working correctly.

Conclusion

In this tutorial, you have learned how to install Python on Linux, MS Windows, and MacOS. You have also verified the installation by opening a Python interactive session and running a simple Python script. Now that you have Python installed on your system, you are ready to explore the vast world of Python programming and develop your Python applications.

Remember to consult the official Python documentation and online resources for more information and help with Python programming. Happy coding!