Foundations

15 labs covering everything from your first print() to building a professional project structure. No experience required.

Labs

#	Lab	Key Concepts
1	Hello World & Basics	print, variables, arithmetic, f-strings
2	Variables & Data Types	int, float, str, bool, type conversion
3	Strings & String Methods	slicing, strip, split, join, format
4	Lists, Tuples & Sets	sequences, comprehensions, set operations
5	Dictionaries	key-value, Counter, defaultdict, JSON
6	Control Flow	if/elif/else, for, while, break, continue
7	Functions & Scope	def, args, kwargs, lambda, recursion
8	File I/O	open, csv, json, pathlib, context managers
9	Error Handling	try/except/finally, custom exceptions
10	Modules & Packages	import, stdlib, itertools, functools
11	Comprehensions & Generators	list/dict/set comp, yield, lazy iteration
12	OOP Basics	class, self, inheritance, dataclass
13	Debugging & Testing	logging, assertions, unittest, pytest
14	Regular Expressions	re module, patterns, validation, parsing
15	Virtual Envs & Packaging	venv, pip, pyproject.toml, project structure

All labs Docker-verified on Python 3.12.