Repository navigation
Expand file tree
/
Copy pathindex.html
More file actions
332 lines (321 loc) · 21 KB
/
Copy pathindex.html
File metadata and controls
332 lines (321 loc) · 21 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Python to AI · Free, friendly lessons on how AI works</title>
<meta name="description" content="AI isn't magic, and it isn't new. Free, friendly lessons from your first line of Python to real AI models you can try right in your browser.">
<link rel="canonical" href="https://ikathuria.github.io/python-to-ai/">
<meta property="og:title" content="Python to AI · Free, friendly lessons on how AI works">
<meta property="og:description" content="AI isn't magic, and it isn't new. Learn how it really works, from your first line of Python to models running in your browser.">
<meta property="og:type" content="website">
<meta property="og:url" content="https://ikathuria.github.io/python-to-ai/">
<meta property="og:image" content="https://ikathuria.github.io/python-to-ai/app/images/og/home.png">
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:image" content="https://ikathuria.github.io/python-to-ai/app/images/og/home.png">
<meta name="author" content="Ishani Kathuria">
<link rel="apple-touch-icon" href="app/images/og/apple-touch-icon.png">
<link rel="icon" href="favicon.svg" type="image/svg+xml">
<link rel="stylesheet" href="app/styles/brand.css">
<link rel="stylesheet" href="app/styles/site.css">
<script src="app/styles/site.js"></script>
<script src="app/styles/episodes.js"></script>
<style>
.hero { max-width: var(--wide); margin: 0 auto; padding: var(--s-7) var(--s-3); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: var(--s-6); align-items: center; }
.kicker { font: 700 var(--fs-label) var(--font-mono); letter-spacing: .06em; color: var(--rb-purple); }
:root[data-theme="dark"] .kicker { color: var(--accent); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .kicker { color: var(--accent); } }
.hero h1 { font: 800 var(--fs-h1)/1.02 var(--font-display); letter-spacing: -.025em; margin: var(--s-3) 0 var(--s-4); color: var(--title); text-shadow: var(--title-glow); }
.hero h1 u { text-decoration-color: var(--accent); text-decoration-thickness: 6px; text-underline-offset: 8px; }
.lede { font-size: 1.1875rem; line-height: 1.6; color: var(--muted); max-width: 40ch; }
.cta { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-5); }
.mac { background: var(--case); border: var(--bw) solid var(--border); border-radius: var(--radius-lg); padding: var(--s-4) var(--s-4) var(--s-5); box-shadow: 8px 8px 0 var(--border); }
.mac .terminal { min-height: 300px; }
.mac .slot { height: 10px; width: 40%; background: var(--border); border-radius: 4px; margin: var(--s-4) auto 0; opacity: .5; }
.typed span { display: block; }
.section { max-width: var(--wide); margin: 0 auto; padding: var(--s-7) var(--s-3); }
.section h2 { font: 800 var(--fs-h2)/1.1 var(--font-display); letter-spacing: -.015em; }
.section .sub { color: var(--muted); margin-top: var(--s-2); max-width: 60ch; }
.chips { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-top: var(--s-4); }
.chips span { background: var(--surface); color: var(--text); font: 700 var(--fs-small) var(--font-mono); padding: 8px 14px; border: var(--bw) solid var(--border); border-radius: var(--radius-sm); }
.tracks { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-4); margin-top: var(--s-5); }
.track { padding: var(--s-4); }
.track h3 { font: 800 var(--fs-h3) var(--font-display); margin-bottom: var(--s-2); }
.track p { color: var(--muted); }
.track .btn { margin-top: var(--s-3); }
.windows { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-4); margin-top: var(--s-5); }
.lesson { position: relative; color: var(--text); transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
main .lesson h3 a, main .lesson .video-link { color: var(--text) !important; text-decoration: none; }
.lesson h3 a::after { content: ""; position: absolute; inset: 0; }
.lesson h3 a:focus-visible { outline: none; }
.lesson:focus-within { outline: 3px solid var(--accent); outline-offset: 2px; }
main .lesson .video-link { position: relative; z-index: 1; text-decoration: underline; }
.lesson.is-next { box-shadow: 0 0 0 3px var(--accent), var(--shadow-pop) !important; }
.stage { display: flex; align-items: center; gap: var(--s-2); margin-top: var(--s-6); font: 800 var(--fs-h3) var(--font-display); }
.stage span { font: 700 var(--fs-label) var(--font-mono); color: var(--muted); }
.stage + .windows { margin-top: var(--s-3); }
.progress { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3); margin-top: var(--s-4); }
.progress[hidden] { display: none; }
.progress-text { font: 700 var(--fs-small) var(--font-mono); }
.progress-bar { flex: 1 1 160px; max-width: 320px; height: 14px; border: var(--bw) solid var(--border); background: var(--surface); }
.progress-bar i { display: block; height: 100%; width: 0; background: var(--rb-green); }
@media (hover: hover) { .lesson:hover { transform: translate(-2px, -2px); box-shadow: var(--shadow-pop-hover) !important; } }
.lesson .body { padding: var(--s-3) var(--s-3) var(--s-4); }
.lesson h3 { font: 800 1.25rem var(--font-display); margin-bottom: 4px; }
.lesson p { color: var(--muted); font-size: var(--fs-small); }
.lesson .meta { display: flex; justify-content: space-between; align-items: center; margin-top: var(--s-3); font: 700 var(--fs-label) var(--font-mono); color: var(--muted); }
.lesson .done-mark { display: none; color: var(--text); background: var(--rb-green); padding: 2px 8px; border: var(--bw) solid var(--border); }
.lesson.is-done .done-mark { display: inline-block; }
.about { display: flex; gap: var(--s-4); align-items: center; flex-wrap: wrap; }
.about img { width: 96px; height: 96px; border: var(--bw) solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow-pop); }
.about h2 { font-size: 1.75rem; }
.about p { color: var(--muted); max-width: 56ch; }
@media (max-width: 1023px) { .windows { grid-template-columns: 1fr 1fr; } }
@media (max-width: 859px) {
.hero { grid-template-columns: minmax(0, 1fr); padding-top: var(--s-5); }
.tracks, .windows { grid-template-columns: 1fr; }
.mac .terminal { font-size: 20px; min-height: 0; }
}
</style>
</head>
<body>
<a class="skip-link" href="#main">Skip to lesson</a>
<header class="menubar">
<div class="menubar-inner">
<a class="wordmark" href="index.html"><i aria-hidden="true"></i>Python to AI</a>
<div class="mb-desktop">
<a class="mb-link" href="app/pages/history_of_ai.html">History</a>
<details>
<summary>Lessons ▾</summary>
<nav class="dropdown" aria-label="Lessons">
<a href="app/pages/python.html"><span>00</span>Python basics</a>
<a href="app/pages/ml_basics.html"><span>01</span>ML basics</a>
<a href="app/pages/supervised_learning.html"><span>02</span>Supervised learning</a>
<a href="app/pages/unsupervised_learning.html"><span>03</span>Unsupervised learning</a>
<a href="app/pages/recommendation_system.html"><span>04</span>Recommendation systems</a>
<a href="app/pages/deep_learning.html"><span>05</span>Deep learning</a>
<a href="app/pages/computer_vision.html"><span>06</span>Computer vision</a>
<a href="app/pages/time_series.html"><span>07</span>Time series</a>
<a href="app/pages/natural_language_processing.html"><span>08</span>Language (NLP)</a>
<a href="app/pages/generative_ai.html"><span>09</span>Generative AI</a>
<a href="app/pages/adversarial_ai.html"><span>10</span>Adversarial AI</a>
</nav>
</details>
<a class="mb-link" href="app/pages/videos.html">Videos</a>
<a class="mb-link" href="https://github.com/ikathuria/python-to-ai" target="_blank" rel="noopener">GitHub</a>
</div>
<span class="mb-spacer"></span>
<button class="theme-toggle" type="button" aria-label="Toggle dark mode"><span class="when-light">◐ <span class="label">Dark</span></span><span class="when-dark">◑ <span class="label">Light</span></span></button>
<button class="mb-mobile-btn" type="button" aria-expanded="false" aria-controls="mobile-panel">Menu</button>
</div>
<nav id="mobile-panel" class="mobile-panel" aria-label="Site">
<a href="app/pages/history_of_ai.html"><span>--</span>History of AI</a>
<a href="app/pages/python.html"><span>00</span>Python basics</a>
<a href="app/pages/ml_basics.html"><span>01</span>ML basics</a>
<a href="app/pages/supervised_learning.html"><span>02</span>Supervised learning</a>
<a href="app/pages/unsupervised_learning.html"><span>03</span>Unsupervised learning</a>
<a href="app/pages/recommendation_system.html"><span>04</span>Recommendation systems</a>
<a href="app/pages/deep_learning.html"><span>05</span>Deep learning</a>
<a href="app/pages/computer_vision.html"><span>06</span>Computer vision</a>
<a href="app/pages/time_series.html"><span>07</span>Time series</a>
<a href="app/pages/natural_language_processing.html"><span>08</span>Language (NLP)</a>
<a href="app/pages/generative_ai.html"><span>09</span>Generative AI</a>
<a href="app/pages/adversarial_ai.html"><span>10</span>Adversarial AI</a>
<a href="app/pages/videos.html"><span>▶</span>Videos</a>
<a href="https://github.com/ikathuria/python-to-ai" target="_blank" rel="noopener"><span>{}</span>GitHub</a>
</nav>
</header>
<main id="main">
<section class="hero">
<div>
<div class="kicker">C:\> LOADING AI SINCE 1943…</div>
<h1>AI is older than your <u>computer.</u> Let's boot it up.</h1>
<p class="lede">Free, friendly lessons from your first line of Python to how AI actually works. Real models run right here in your browser. No signup, no install.</p>
<div class="cta">
<a class="btn btn-primary" href="app/pages/history_of_ai.html">▶ Run history.exe</a>
<a class="btn" href="https://www.youtube.com/@DrIshaniKathuria" target="_blank" rel="noopener">Watch the videos</a>
</div>
</div>
<div class="mac" aria-hidden="true">
<div class="terminal typed">
<span>> is_ai_going_to_take_over()</span>
<span>Checking 80 years of history…</span>
<span>1958: "will be conscious" … FALSE</span>
<span>1965: "within 20 years" … FALSE</span>
<span>1997: beats chess champion … world OK</span>
<span>Result: it's math. Relax.</span>
<span>> <i class="cursor"></i></span>
</div>
<div class="slot"></div>
</div>
</section>
<section class="rainbow-band">
<div class="inner">
<h2><mark>AI is a whole operating system, not one app.</mark></h2>
<div class="chips">
<span>Spam filters</span><span>Maps</span><span>Photo tagging</span><span>Netflix picks</span><span>Fraud alerts</span><span>Autocorrect</span><span>Medical scans</span><span>Chatbots (the new kid)</span>
</div>
</div>
</section>
<section class="section">
<h2>Two ways in</h2>
<p class="sub">Every topic has a plain-English version and an under-the-hood version. Pick whichever fits today.</p>
<div class="tracks">
<div class="window">
<div class="window-bar"><i></i><span>for_everyone.txt</span></div>
<div class="track">
<h3>Plain-English track</h3>
<p>No code, no jargon. Start with 80 years of AI history and why the robots still aren't coming.</p>
<a class="btn" href="app/pages/history_of_ai.html">Start with the history</a>
</div>
</div>
<div class="window">
<div class="window-bar"><i></i><span>for_engineers.py</span></div>
<div class="track">
<h3>Under-the-hood track</h3>
<p>Python, NumPy, PyTorch and ONNX. Read and run the notebook behind every demo.</p>
<a class="btn" href="https://github.com/ikathuria/python-to-ai" target="_blank" rel="noopener">Browse the code</a>
</div>
</div>
</div>
</section>
<section class="section" id="lessons">
<h2>Open a lesson</h2>
<p class="sub">From zero to AI in four stages. Follow them in order or jump to whatever you're curious about.</p>
<div class="progress" data-progress hidden>
<div class="progress-text"><strong data-progress-count></strong> <span data-progress-of></span></div>
<div class="progress-bar" aria-hidden="true"><i data-progress-fill></i></div>
<a class="btn btn-primary" data-continue href="app/pages/python.html">Start lesson 00 →</a>
</div>
<h3 class="stage"><span>01</span>Start here</h3>
<div class="windows">
<article class="window lesson" data-page="history_of_ai.html">
<div class="window-bar"><i></i><span>history.txt</span></div>
<div class="body"><h3><a href="app/pages/history_of_ai.html">History of AI</a></h3><p>80 years of hype vs. reality. No code, just the story.</p><div class="meta"><span>~15 min · timeline</span><span class="done-mark">✓ done</span></div></div>
</article>
<article class="window lesson" data-page="python.html" data-done-key="p2ai_done_python">
<div class="window-bar"><i></i><span>00_python.py</span></div>
<div class="body"><h3><a href="app/pages/python.html">Python basics</a></h3><p>Variables, lists, functions. Never coded? Start here.</p><div class="meta"><span>~45 min · code-along</span><span class="done-mark">✓ done</span></div></div>
</article>
</div>
<h3 class="stage"><span>02</span>Classic machine learning</h3>
<div class="windows">
<article class="window lesson" data-page="ml_basics.html" data-done-key="p2ai_done_ml_basics">
<div class="window-bar"><i></i><span>01_basics.py</span></div>
<div class="body"><h3><a href="app/pages/ml_basics.html">ML basics</a></h3><p>NumPy, Pandas and the shape of data.</p><div class="meta"><span>~40 min · code-along</span><span class="done-mark">✓ done</span></div></div>
</article>
<article class="window lesson" data-page="supervised_learning.html" data-done-key="p2ai_done_supervised">
<div class="window-bar"><i></i><span>02_supervised.py</span></div>
<div class="body"><h3><a href="app/pages/supervised_learning.html">Teach a machine</a></h3><p>Supervised learning: learning from labelled examples.</p><div class="meta"><span>~50 min · live demo</span><span class="done-mark">✓ done</span></div></div>
</article>
<article class="window lesson" data-page="unsupervised_learning.html" data-done-key="p2ai_done_unsupervised">
<div class="window-bar"><i></i><span>03_clusters.py</span></div>
<div class="body"><h3><a href="app/pages/unsupervised_learning.html">Find hidden groups</a></h3><p>Clustering data nobody labelled.</p><div class="meta"><span>~40 min · live demo</span><span class="done-mark">✓ done</span></div></div>
</article>
<article class="window lesson" data-page="recommendation_system.html" data-done-key="p2ai_done_recommenders">
<div class="window-bar"><i></i><span>04_recommend.py</span></div>
<div class="body"><h3><a href="app/pages/recommendation_system.html">Why Netflix knows you</a></h3><p>How recommendation systems pick for you.</p><div class="meta"><span>~30 min · live demo</span><span class="done-mark">✓ done</span></div></div>
</article>
</div>
<h3 class="stage"><span>03</span>Deep learning</h3>
<div class="windows">
<article class="window lesson" data-page="deep_learning.html" data-done-key="p2ai_done_deep_learning">
<div class="window-bar"><i></i><span>05_neural.py</span></div>
<div class="body"><h3><a href="app/pages/deep_learning.html">Neural networks</a></h3><p>Layers of tiny maths passing notes.</p><div class="meta"><span>~45 min · live demo</span><span class="done-mark">✓ done</span></div></div>
</article>
<article class="window lesson" data-page="computer_vision.html" data-done-key="p2ai_done_cv">
<div class="window-bar"><i></i><span>06_vision.py</span></div>
<div class="body"><h3><a href="app/pages/computer_vision.html">How computers see</a></h3><p>Pictures are just numbers. Colour demo.</p><div class="meta"><span>~40 min · live demo</span><span class="done-mark">✓ done</span></div></div>
</article>
<article class="window lesson" data-page="time_series.html" data-done-key="p2ai_done_time_series">
<div class="window-bar"><i></i><span>07_forecast.py</span></div>
<div class="body"><h3><a href="app/pages/time_series.html">Predicting tomorrow</a></h3><p>Forecasting with time series and LSTMs.</p><div class="meta"><span>~30 min · demo</span><span class="done-mark">✓ done</span></div></div>
</article>
</div>
<h3 class="stage"><span>04</span>Language, generative & adversarial AI</h3>
<div class="windows">
<article class="window lesson" data-page="natural_language_processing.html" data-done-key="p2ai_done_nlp">
<div class="window-bar"><i></i><span>08_language.py</span></div>
<div class="body"><h3><a href="app/pages/natural_language_processing.html">Fancy autocomplete</a></h3><p>From word vectors to language models.</p><div class="meta"><span>~30 min · live demo</span><span class="done-mark">✓ done</span></div></div>
</article>
<article class="window lesson" data-page="generative_ai.html" data-done-key="p2ai_done_genai">
<div class="window-bar"><i></i><span>09_generate.py</span></div>
<div class="body"><h3><a href="app/pages/generative_ai.html">How ChatGPT writes</a></h3><p>Be the language model, then build a baby GPT.</p><div class="meta"><span>~30 min · live demo</span><span class="done-mark">✓ done</span></div></div>
</article>
<article class="window lesson" data-page="adversarial_ai.html" data-done-key="p2ai_done_adversarial">
<div class="window-bar"><i></i><span>10_adversarial.py</span></div>
<div class="body"><h3><a href="app/pages/adversarial_ai.html">How to fool an AI</a></h3><p>Adversarial examples, prompt injection and defences.</p><div class="meta"><span>~30 min · live demo</span><span class="done-mark">✓ done</span></div></div>
</article>
</div>
</section>
<section class="section">
<div class="about">
<img src="https://avatars.githubusercontent.com/u/57997976?v=4" alt="Ishani Kathuria" width="96" height="96">
<div>
<h2>Hi, I'm Ishani.</h2>
<p>I research AI and make videos explaining it in plain English, because understanding something is the best cure for being scared of it.</p>
<div class="cta">
<a class="btn" href="https://www.youtube.com/@DrIshaniKathuria" target="_blank" rel="noopener">YouTube</a>
<a class="btn" href="https://linkedin.com/in/ishani-kathuria" target="_blank" rel="noopener">LinkedIn</a>
<a class="btn" href="https://ishani.kathuria.net" target="_blank" rel="noopener">My website</a>
</div>
</div>
</div>
</section>
</main>
<footer class="site-footer">
<div class="band-thin"></div>
<div class="inner"><div class="row">
<span>> built by Ishani Kathuria_</span>
<span class="links">
<a href="https://www.youtube.com/@DrIshaniKathuria" target="_blank" rel="noopener">YouTube</a>
<a href="https://github.com/ikathuria/python-to-ai" target="_blank" rel="noopener">GitHub</a>
<a href="https://linkedin.com/in/ishani-kathuria" target="_blank" rel="noopener">LinkedIn</a>
<a href="https://ishani.kathuria.net" target="_blank" rel="noopener">Website</a>
</span>
</div></div>
</footer>
<script>
// Progress: mark finished lessons, count them, and point at the next one.
(function () {
function done(key) { try { return localStorage.getItem(key) === '1'; } catch (e) { return false; } }
var cards = Array.prototype.slice.call(document.querySelectorAll('.lesson[data-done-key]'));
var finished = 0, next = null;
cards.forEach(function (card) {
if (done(card.getAttribute('data-done-key'))) { card.classList.add('is-done'); finished++; }
else if (!next) next = card;
});
document.querySelector('[data-progress-of]').textContent = 'of ' + cards.length + ' lessons done';
if (!finished) return;
var box = document.querySelector('[data-progress]');
box.hidden = false;
document.querySelector('[data-progress-count]').textContent = finished;
document.querySelector('[data-progress-fill]').style.width = (finished / cards.length * 100) + '%';
var btn = document.querySelector('[data-continue]');
if (next) {
next.classList.add('is-next');
var link = next.querySelector('h3 a');
btn.href = link.getAttribute('href');
btn.textContent = 'Continue: ' + link.textContent + ' →';
} else {
btn.href = 'app/pages/videos.html';
btn.textContent = 'All done! Watch the videos →';
}
})();
// Add a ▶ link to lessons that have a published video (see app/styles/episodes.js).
(window.P2AI_EPISODES || []).forEach(function (ep) {
if (!ep.id || !ep.page) return;
var card = document.querySelector('.lesson[data-page="' + ep.page + '"]');
if (!card || card.querySelector('.video-link')) return;
var a = document.createElement('a');
a.className = 'video-link';
a.href = 'https://www.youtube.com/watch?v=' + encodeURIComponent(ep.id);
a.target = '_blank';
a.rel = 'noopener';
a.textContent = '▶ video';
a.setAttribute('aria-label', 'Watch the video: ' + ep.title);
card.querySelector('.meta').insertBefore(a, card.querySelector('.done-mark'));
});
</script>
</body>
</html>