README.md

Python Interview Topics

Commonly asked Python concepts for software engineer interviews. Each folder includes:

• example.py — runnable code
• README.md — descriptive walkthrough + Interview Q&A (5–6 questions with answers)

Core language

Folder	Concept	Run
decorator	Function/class decorators	python3 example.py
context_manager	with statement	python3 example.py
generator	Generators & yield	python3 example.py
iterator	Iterator protocol	python3 example.py
closure	Closures & nested functions	python3 example.py
args_kwargs	*args & **kwargs	python3 example.py
scope	LEGB, global, nonlocal	python3 example.py
comprehension	List/dict/set comprehensions	python3 example.py
lambda_map_filter	map, filter, zip	python3 example.py
exception_handling	try/except/else/finally	python3 example.py
mutable_default	Mutable default argument trap	python3 example.py
identity_equality	is vs ==, hashability	python3 example.py
copy_deepcopy	Shallow vs deep copy	python3 example.py

OOP & classes

Folder	Concept	Run
dunder_methods	Magic methods	python3 example.py
inheritance_mro	Inheritance & MRO	python3 example.py
metaclass	Metaclasses	python3 example.py
property_descriptor	Properties & descriptors	python3 example.py
dataclass	@dataclass	python3 example.py
slots	__slots__	python3 example.py
abc	Abstract base classes	python3 example.py

Concurrency & async

Folder	Concept	Run
threading	Threads, locks, GIL	python3 example.py
multiprocessing	Processes & CPU parallelism	python3 example.py
async_await	Async I/O	python3 example.py

Standard library & tooling

Folder	Concept	Run
functools_module	lru_cache, partial	python3 example.py
type_hints	Typing & generics	python3 example.py
unittest_mock	Mocking & patching	python3 example.py
memory_management	GC, refcount, weakref	python3 example.py

How to use

cd python/<topic>
python3 example.py

Read the README in each folder for a descriptive example walkthrough and full Interview Q&A.