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Getting Started with Python: A Beginner’s Guide

Certainly! Here’s a detailed step-by-step guide to help you get started with Python as a beginner, covering everything from installation to writing and running your first Python code.


Step 1: Understand What Python Is

Before you begin, it’s good to know that Python is a high-level, interpreted programming language known for its readability and versatility. It’s widely used in web development, data analysis, artificial intelligence, automation, and much more.


Step 2: Check if Python is Already Installed

Windows

  1. Open Command Prompt: Press Windows Key + R, type cmd, and press Enter.
  2. Type:

    python –version

    or

    py –version

  3. If Python is installed, it will show you the version number. If not, you will get an error.

macOS/Linux

  1. Open Terminal.
  2. Type:

    python3 –version

  3. If installed, it will display the version number.


Step 3: Installing Python

For Windows

  1. Go to the official Python website: https://www.python.org/downloads/
  2. Click the latest stable version under "Download the latest version for Windows."
  3. Once downloaded, run the installer.
  4. Important: Check the box that says "Add Python 3.x to PATH" at the bottom of the installer.
  5. Choose "Install Now" or customize the installation if you prefer.
  6. After the installation, open Command Prompt and type python --version to verify.

For macOS

  1. Python 2.x usually comes pre-installed, but you’ll want Python 3.x.
  2. Install Homebrew (if you don’t have it) by running in Terminal:

    /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

  3. Install Python 3 by running:

    brew install python

  4. Verify installation:

    python3 –version

For Linux (Ubuntu/Debian)

  1. Open Terminal.
  2. Update package list:

    sudo apt update

  3. Install Python 3:

    sudo apt install python3

  4. Verify installation:

    python3 –version


Step 4: Install a Code Editor or IDE

Writing Python code can be done in any text editor, but using an Integrated Development Environment (IDE) can make your experience easier.


Step 5: Write Your First Python Script

  1. Create a new file with the .py extension, for example, hello.py.
  2. Open it in your code editor.
  3. Type the following code:
    python
    print("Hello, world!")

  4. Save the file.


Step 6: Run Your Python Script

Using Command Line/Terminal:

  1. Navigate to the directory where your script is saved. For example:

    cd path_to_your_script_folder

  2. Run the script with:

    • Windows:

      python hello.py

      or if you installed Python as python3

      python3 hello.py

    • macOS/Linux:

      python3 hello.py

  3. You should see the output:

    Hello, world!

Running Inside an IDE:

  • Most IDEs have a “Run” button or menu option. Just click it to execute your code.


Step 7: Learn Python Basics

Now that you have Python installed and know how to run a script, start learning basic Python concepts:

Topics to cover:

  • Variables and data types (strings, integers, floats, booleans)
  • Operators and expressions
  • Conditional statements (if, else, elif)
  • Loops (for, while)
  • Functions (def)
  • Lists, tuples, dictionaries, sets
  • Input/output (using input() function)
  • Basic error handling (try, except)

Resources:


Step 8: Practice Regularly

Try writing small programs such as:

  • A calculator
  • A guessing game
  • Handling simple file operations
  • Working with lists

Practicing regularly helps reinforce programming concepts.


Step 9: Troubleshooting Common Issues

Issue: python command not recognized

  • Make sure you tick "Add Python to PATH" during installation.
  • Alternatively, try running:

    py hello.py

  • On macOS/Linux, you might need to use python3 instead of python.

Issue: Multiple Python versions conflicting

  • Check installed versions:

    python –version
    python3 –version
    py –version

  • Use the specific version command (python3 or py) when running scripts.

Issue: Scripts not running in terminal/IDE

  • Confirm you are in the correct directory.
  • Make sure your Python script has .py extension.
  • Check for typos in code.


Step 10: Explore Python Libraries and Packages

Once comfortable with basics, learn to install and use packages using pip:

  1. Install a package (e.g., requests):

    pip install requests

  2. Use it in your code:
    python
    import requests
    response = requests.get(‘https://api.github.com‘)
    print(response.status_code)


  1. Install Python on your computer.
  2. Set up a code editor or IDE.
  3. Write and run your first Python script.
  4. Learn basic Python programming concepts.
  5. Practice coding regularly.
  6. Troubleshoot any issues using the tips above.
  7. Explore Python libraries to extend your programs.


If you follow these steps carefully, you’ll be able to get started with Python smoothly and build a good foundation for further Python learning! Would you like me to provide sample beginner exercises next?

Updated on June 3, 2025
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