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<!DOCTYPE html>
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<head>
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  <meta name="description" content="Chapter 1 of Python Zero to Hero: install Python, create a venv, write & run your first console script." />
  <meta name="keywords" content="Python, setup, hello world, virtual environment, console, tutorial" />
  <meta name="author" content="Luca Bocaletto" />
  <title>Chapter 1 – Setup & “Hello, World!” | Python Zero to Hero</title>

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      <h1 class="display-6">Chapter 1: Setup & “Hello, World!”</h1>
      <p class="text-muted">Get your environment ready, write your first Python script, and run it from the console.</p>
      <a
        href="src/chapter1.py"
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      <h2>Objectives</h2>
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        <li>Install Python 3.x and verify the version</li>
        <li>Create and activate a virtual environment</li>
        <li>Write a basic “Hello, World!” script</li>
        <li>Run a <code>.py</code> file from the terminal</li>
      </ul>
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      <h2>1. Installing Python & Setting Up venv</h2>
      <p>
        Visit <a href="https://www.python.org/downloads/" target="_blank">python.org/downloads</a>
        and install the latest Python 3 release. Then verify in your terminal:
      </p>
      <pre><code class="bash">python3 --version</code></pre>
      <p>Create a project folder and enter it:</p>
      <pre><code class="bash">mkdir zero_to_hero &amp;&amp; cd zero_to_hero</code></pre>
      <p>Initialize a virtual environment:</p>
      <pre><code class="bash">python3 -m venv venv</code></pre>
      <p>Activate it:</p>
      <pre><code class="bash">
# macOS / Linux
source venv/bin/activate

# Windows PowerShell
venv\Scripts\Activate.ps1
      </code></pre>
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      <h2>2. Writing “Hello, World!”</h2>
      <p>Create <code>src/chapter1.py</code> with:</p>
      <pre><code class="python">print("Hello, World!")</code></pre>
      <p>Save and run:</p>
      <pre><code class="bash">python src/chapter1.py</code></pre>
      <p>You should see:</p>
      <pre><code class="output">Hello, World!</code></pre>
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        <li>Modify <code>src/chapter1.py</code> to print your name and the current year.</li>
        <li>Write two <code>print()</code> statements on separate lines.</li>
        <li>Deactivate and reactivate your virtual environment; confirm you’re in <code>venv</code>.</li>
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