python_learning_course/index.html at main · hefeicoder/python_learning_course · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <link rel="preconnect" href="https://cdn.jsdelivr.net">
  <title>Learn Python Free — For All Ages, Zero Experience Required</title>
  <meta name="description" content="Free interactive Python learning site for kids and beginners. 180+ coding problems, guided tutorials, and interview prep — runs in the browser, no login, no installation, no experience needed.">
  <meta name="keywords" content="learn python free, python for kids, python for beginners, python no experience, python practice, python interview prep, free python course, learn python online">
  <meta name="author" content="hefeicoder">

  <!-- Chinese SEO (Baidu) -->
  <meta name="keywords" lang="zh" content="免费学Python, Python入门, Python零基础, Python编程练习, Python面试题, 在线学Python, 儿童学编程, Python教程">
  <meta name="description" lang="zh" content="免费在线学Python，适合零基础和儿童。180+练习题、互动教程和面试题——无需登录，无需安装，浏览器直接运行。">

  <!-- Open Graph (social sharing) -->
  <meta property="og:title" content="Learn Python Free — For All Ages, Zero Experience Required">
  <meta property="og:description" content="Free interactive Python learning site for kids and beginners. 180+ problems, guided tutorials, and interview prep — no login or installation needed.">
  <meta property="og:url" content="https://pythonfreecourse.com">
  <meta property="og:type" content="website">

  <!-- Twitter Card -->
  <meta name="twitter:card" content="summary">
  <meta name="twitter:title" content="Learn Python Free — For All Ages, Zero Experience Required">
  <meta name="twitter:description" content="Free interactive Python learning site for kids and beginners. 180+ problems, guided tutorials, and interview prep — no login or installation needed.">
  <link rel="stylesheet" href="style.css">
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.16/codemirror.min.css">
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.16/theme/monokai.min.css">
</head>
<body>
  <!-- View: Level Select -->
  <div id="view-level-select" class="view">
    <div class="site-header">
      <div>
        <h1>Python for Everyone — 100% Free</h1>
        <p class="subtitle">Kids, beginners, and job seekers welcome. No setup, no login, just code.</p>
      </div>
      <div class="header-right">
        <button id="btn-clear-history" class="btn-danger op-tooltip" data-tip="Resets all solved problems and saved code">Clear History<span class="op-tip-box">Resets all solved problems and saved code</span></button>
        <a href="mailto:hefeicoder@gmail.com" class="feedback-link">Feedback? Email us</a>
      </div>
    </div>
    <div id="level-cards" class="level-cards"></div>
  </div>

  <!-- View: Problems -->
  <div id="view-problems" class="view hidden">
    <button id="btn-back-levels" class="btn-secondary">← All Levels</button>
    <h2 id="problems-heading"></h2>
    <p id="problems-subtitle" class="subtitle"></p>
    <ul id="problems-list" class="problems-list"></ul>
  </div>

  <!-- View: Editor -->
  <div id="view-editor" class="view hidden">
    <button id="btn-back" class="btn-secondary">← Back to Problems</button>
    <div class="card editor-card">
      <h3 id="editor-title"></h3>
      <p id="editor-description" class="editor-description"></p>
      <p id="editor-hint" class="editor-hint hidden"></p>
      <div id="code-editor" class="code-editor-cm"></div>
      <button id="btn-run" class="btn-primary" disabled>Loading Python...</button>
      <div id="output-panel" class="output-panel hidden">
        <p class="output-label">Output:</p>
        <pre id="output-text"></pre>
      </div>
      <div id="feedback-banner" class="feedback-banner hidden"></div>
    </div>
  </div>

  <!-- View: Tutorial Topics -->
  <div id="view-tutorial-topics" class="view hidden">
    <button id="btn-back-from-tutorial-topics" class="btn-secondary">← All Levels</button>
    <h2 style="margin-top:1rem;">Tutorial</h2>
    <p id="tutorial-topics-subtitle" class="subtitle"></p>
    <ul id="tutorial-topics-list" class="problems-list"></ul>
  </div>

  <!-- View: Tutorial (Learn + Practice) -->
  <div id="view-tutorial" class="view hidden">
    <button id="btn-back-to-topics" class="btn-secondary">← All Topics</button>
    <div id="tutorial-topic-nav" class="tutorial-topic-nav"></div>
    <p id="tutorial-progress" class="subtitle" style="margin-top:0.5rem;"></p>

    <div class="card tutorial-learn-card">
      <h3 id="tutorial-topic-title"></h3>
      <div class="learn-block">
        <span class="learn-label">What is it?</span>
        <p id="tutorial-what" class="learn-text"></p>
      </div>
      <div class="learn-block">
        <span class="learn-label">When do you use it?</span>
        <p id="tutorial-when" class="learn-text"></p>
      </div>
      <div class="learn-block">
        <span class="learn-label">How does it work?</span>
        <pre id="tutorial-example" class="code-example"></pre>
      </div>
    </div>

    <div class="card editor-card">
      <p id="tutorial-question-label" class="tutorial-question-label"></p>
      <p id="tutorial-question-description" class="editor-description"></p>
      <div id="tutorial-code-editor" class="code-editor-cm"></div>
      <button id="btn-run-tutorial" class="btn-primary" disabled>Loading Python...</button>
      <div id="tutorial-output-panel" class="output-panel hidden">
        <p class="output-label">Output:</p>
        <pre id="tutorial-output-text"></pre>
      </div>
      <div id="tutorial-feedback-banner" class="feedback-banner hidden"></div>
    </div>
  </div>

  <!-- View: Interview Topics -->
  <div id="view-interview-topics" class="view hidden">
    <button id="btn-back-from-interview-topics" class="btn-secondary">← All Levels</button>
    <h2 style="margin-top:1rem;">Interview Prep</h2>
    <p id="interview-topics-subtitle" class="subtitle"></p>
    <ul id="interview-topics-list" class="problems-list"></ul>
  </div>

  <!-- View: Interview Topic (Learn + Practice) -->
  <div id="view-interview-topic" class="view hidden">
    <button id="btn-back-to-interview-topics" class="btn-secondary">← All Topics</button>
    <div id="interview-topic-nav" class="interview-topic-nav"></div>
    <p id="interview-progress" class="subtitle" style="margin-top:0.5rem;"></p>

    <div class="card interview-learn-card">
      <h3 id="interview-topic-title"></h3>
      <div class="learn-block">
        <span class="learn-label">What is it?</span>
        <p id="interview-what" class="learn-text"></p>
      </div>
      <div class="learn-block">
        <span class="learn-label">Key Operations</span>
        <table id="interview-operations" class="ops-table"></table>
      </div>
      <div class="learn-block">
        <span class="learn-label">Python Tools</span>
        <p id="interview-python-tools" class="learn-text interview-tools-text"></p>
      </div>
      <div class="learn-block">
        <span class="learn-label">Example</span>
        <pre id="interview-example" class="code-example"></pre>
      </div>
    </div>

    <div class="card editor-card">
      <div id="interview-problem-tabs" class="interview-problem-tabs"></div>
      <div class="interview-problem-header">
        <h4 id="interview-problem-title"></h4>
        <a id="interview-leetcode-link" href="#" target="_blank" rel="noopener" class="leetcode-link"></a>
      </div>
      <p id="interview-problem-description" class="editor-description"></p>
      <pre id="interview-problem-example" class="problem-example"></pre>
      <div id="interview-code-editor" class="code-editor-cm"></div>
      <button id="btn-run-interview" class="btn-primary" disabled>Loading Python...</button>
      <div id="interview-test-results" class="interview-test-results hidden"></div>
      <div id="interview-feedback-banner" class="feedback-banner hidden"></div>
    </div>
  </div>

  <!-- View: Interview2 Topics -->
  <div id="view-interview2-topics" class="view hidden">
    <button id="btn-back-from-interview2-topics" class="btn-secondary">← All Levels</button>
    <h2 style="margin-top:1rem;">Interview Prep 2 — Non-LeetCode</h2>
    <p id="interview2-topics-subtitle" class="subtitle"></p>
    <ul id="interview2-topics-list" class="problems-list"></ul>
  </div>

  <!-- View: Interview2 Topic (Learn + Practice) -->
  <div id="view-interview2-topic" class="view hidden">
    <button id="btn-back-to-interview2-topics" class="btn-secondary">← All Topics</button>
    <div id="interview2-topic-nav" class="interview-topic-nav"></div>
    <p id="interview2-progress" class="subtitle" style="margin-top:0.5rem;"></p>

    <div class="card interview-learn-card">
      <h3 id="interview2-topic-title"></h3>
      <div class="learn-block">
        <span class="learn-label">What is it?</span>
        <p id="interview2-what" class="learn-text"></p>
      </div>
      <div class="learn-block">
        <span class="learn-label">When to use it?</span>
        <p id="interview2-when" class="learn-text"></p>
      </div>
      <div class="learn-block">
        <span class="learn-label">Key Insight</span>
        <p id="interview2-key-insight" class="learn-text"></p>
      </div>
      <div class="learn-block">
        <span class="learn-label">Example</span>
        <pre id="interview2-example" class="code-example"></pre>
      </div>
    </div>

    <div class="card editor-card">
      <div id="interview2-problem-tabs" class="interview-problem-tabs"></div>
      <div class="interview-problem-header">
        <h4 id="interview2-problem-title"></h4>
      </div>
      <p id="interview2-problem-description" class="editor-description"></p>
      <pre id="interview2-problem-example" class="problem-example"></pre>
      <div id="interview2-code-editor" class="code-editor-cm"></div>
      <button id="btn-run-interview2" class="btn-primary" disabled>Loading Python...</button>
      <div id="interview2-test-results" class="interview-test-results hidden"></div>
      <div id="interview2-feedback-banner" class="feedback-banner hidden"></div>
    </div>
  </div>

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  <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.16/mode/python/python.min.js"></script>
  <script src="data.js"></script>
  <script src="app.js"></script>
</body>
</html>