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Learn Python Interactively

Master Python through lessons, hands-on workshops, and coding labs — no setup required.

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Everything You Need to Learn Python

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Lessons

Read concise theory with syntax-highlighted Python examples, then prove your understanding with a quick quiz.

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Workshops

Follow step-by-step guided exercises. Each step validates your code before you can move on.

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Labs

Solve open-ended challenges. An automated test suite checks your output and gives instant feedback.

Curriculum

#	Module	Type	Time
1	Introduction to Python	LESSON	~10 min
2	Basic Types: int, float, str, bool, None	LESSON	~12 min
3	Variables & Assignment	LESSON	~10 min
4	Variables Practice	LAB	~15 min
5	Operators: Arithmetic, Comparison, Logical	LESSON	~12 min
6	Strings: Methods, Slicing, Indexing	LESSON	~15 min
7	f-strings & String Formatting	WORKSHOP	~20 min
8	String Manipulation Challenge	LAB	~20 min
9	bytes, bytearray, and encode/decode	LESSON	~12 min
10	if / elif / else & Ternary Expressions	LESSON	~12 min
11	Building Decision Trees	WORKSHOP	~20 min
12	Structural Pattern Matching (match/case)	LESSON	~15 min
13	for, while, range(), break, continue	LESSON	~15 min
14	Iterating with enumerate() and zip()	WORKSHOP	~20 min
15	Loop Challenge	LAB	~20 min
16	Lists: Indexing, Slicing, Methods	LESSON	~15 min
17	List Manipulation & Sorting	WORKSHOP	~20 min
18	Tuples: Immutability & Packing/Unpacking	LESSON	~12 min
19	List Processing Lab	LAB	~20 min
20	Dictionaries: CRUD, Iteration, Methods	LESSON	~15 min
21	Working with Nested Dicts	WORKSHOP	~20 min
22	Sets: Operations, Membership, Frozenset	LESSON	~12 min
23	Dictionary Challenge	LAB	~20 min
24	List, Dict & Set Comprehensions	LESSON	~15 min
25	Generator Expressions & Filtering	WORKSHOP	~20 min
26	Functions: def, return, Docstrings	LESSON	~12 min
27	args, *kwargs & Keyword-Only Params	WORKSHOP	~20 min
28	Closures & nonlocal	LESSON	~15 min
29	Building Closure-Based Utilities	WORKSHOP	~20 min
30	Functions Lab	LAB	~25 min
31	lambda, map(), filter(), sorted() key=	LESSON	~15 min
32	functools: partial, reduce, lru_cache, wraps	LESSON	~15 min
33	Caching & Partial Application	WORKSHOP	~20 min
34	Function Decorators & @ Syntax	LESSON	~15 min
35	Building Custom Decorators	WORKSHOP	~20 min
36	Decorator Challenge	LAB	~25 min
37	Classes: __init__, self, Instance Methods	LESSON	~15 min
38	Building a Data Model with Classes	WORKSHOP	~25 min
39	Inheritance, super(), MRO	LESSON	~15 min
40	Extending Classes & super()	WORKSHOP	~20 min
41	Dunder Methods: __str__, __repr__, __eq__, __len__	LESSON	~15 min
42	OOP Lab: Build a Mini Library	LAB	~30 min
43	try / except / finally / else	LESSON	~12 min
44	raise, Custom Exceptions, Exception Chaining	WORKSHOP	~20 min
45	Robust Error Handling Lab	LAB	~25 min
46	Iterators: __iter__, __next__, iter(), next()	LESSON	~15 min
47	Generators: yield, yield from, send()	LESSON	~15 min
48	Lazy Pipelines with Generators	WORKSHOP	~20 min
49	with Statement, __enter__/__exit__, contextlib	LESSON	~15 min
50	Building Custom Context Managers	WORKSHOP	~20 min
51	Type Annotations: list, dict, Optional, Union, Any	LESSON	~15 min
52	TypeVar, Generic, Protocol (structural subtyping)	WORKSHOP	~20 min
53	ABC, @abstractmethod, Protocol	LESSON	~15 min
54	Designing with Interfaces via Protocol	WORKSHOP	~20 min
55	@property, @setter, @deleter, __slots__	LESSON	~15 min
56	Computed Properties & Validation	WORKSHOP	~20 min
57	@dataclass: fields, frozen, __post_init__	LESSON	~15 min
58	Dataclass Patterns & field()	WORKSHOP	~20 min
59	import, from, __name__, packages, __init__.py	LESSON	~15 min
60	Creating a Package with Relative Imports	WORKSHOP	~20 min
61	open(), read/write modes, pathlib.Path	LESSON	~15 min
62	Reading, Writing & Appending Files	WORKSHOP	~20 min
63	File I/O Lab: Log Parser	LAB	~25 min
64	Counter, defaultdict, deque, namedtuple, OrderedDict	LESSON	~15 min
65	chain, product, combinations, permutations, groupby	LESSON	~15 min
66	Combining Itertools for Data Pipelines	WORKSHOP	~20 min
67	json.dumps, json.loads, JSONEncoder, JSONDecoder	LESSON	~12 min
68	Working with Nested JSON & Custom Encoding	WORKSHOP	~20 min
69	csv.reader, csv.DictReader, csv.writer	WORKSHOP	~20 min
70	re module: match, search, findall, groups, flags	LESSON	~15 min
71	Capturing Groups & Named Patterns	WORKSHOP	~20 min
72	datetime, timedelta, strftime, timezone, UTC	LESSON	~15 min
73	Parsing, Formatting & Timezone Conversion	WORKSHOP	~20 min
74	urllib.request, HTTP concepts, status codes	LESSON	~15 min
75	Making Requests & Parsing JSON Responses	WORKSHOP	~20 min
76	HTTP Lab: Public API Client	LAB	~25 min
77	Thread, Lock, RLock, race conditions, GIL	LESSON	~15 min
78	Thread Pools with concurrent.futures	WORKSHOP	~20 min
79	async/await, event loop, coroutines, tasks	LESSON	~15 min
80	asyncio.gather, create_task, timeouts	WORKSHOP	~20 min
81	Async Lab: Concurrent Fetcher	LAB	~25 min
82	unittest: TestCase, assertEqual, setUp, discovery	LESSON	~15 min
83	Writing Test Suites & Using Mock	WORKSHOP	~20 min
84	Testing Lab: TDD Challenge	LAB	~25 min
85	logging: levels, handlers, formatters, getLogger	LESSON	~15 min
86	Structured Logging & Multiple Handlers	WORKSHOP	~20 min
87	argparse: add_argument, subcommands, types	LESSON	~15 min
88	Building a Multi-Command CLI Tool	WORKSHOP	~20 min
89	sqlite3: connect, execute, fetchall, context manager	LESSON	~15 min
90	CRUD Operations & Parameterized Queries	WORKSHOP	~20 min
91	SQLite3 Lab: Todo Database	LAB	~25 min
92	sorted, key=, reverse, bisect, heapq	LESSON	~15 min
93	Custom Sort Keys & Priority Queues	WORKSHOP	~20 min
94	cProfile, timeit, line_profiler concepts	LESSON	~15 min
95	Measuring Bottlenecks & Optimizing Code	WORKSHOP	~20 min