Question	Resource 1 (site + date)	Resource 2 (site + date)	Why these two (rationale)
1. Benefits of Python	Python FAQ “What is Python good for?” (python.org, unspecified) Python Tutorial “Whetting Your Appetite” (python.org, unspecified)	Official stance on Python’s strengths; tutorial intro emphasizes readability and applications.	—
2. List vs Tuple	Python Tutorial “Tuples and Sequences” (python.org, updated 2025)	Built In “Python Tuples vs. Lists” (builtin.com, unspecified)	Official definition of mutability; tutorial compares performance/usage.
3. PEP 8 (coding style)	PEP 8 – Style Guide (python.org, 2001/Active)	Real Python “How to Write Beautiful Code With PEP 8” (realpython.com, unspecified)	PEP 8 is the authoritative style guide; RealPython explains why following it matters.
4. Python memory management	Python Docs “Memory Management” (python.org, current)	Honeybadger Blog “Memory Management in Python” (honeybadger.io, Jun 30, 2022)	Official technical overview of CPython heap; Honeybadger gives accessible explanation of GC, refcount, allocators.
5. Decorators	PEP 318 – Decorators (peps.python.org, 2004)	Real Python “Primer on Python Decorators” (realpython.com, unspecified)	PEP 318 is the design spec for decorators; RealPython clearly shows how decorators wrap functions with examples.
6. Comprehensions (list, dict)	Python Tutorial “List Comprehensions” (python.org, current)	Real Python “When to Use a List Comprehension” (realpython.com, unspecified)	Official examples of comprehension syntax; RealPython covers use cases, readability, and performance tradeoffs.
7. Exception handling	Python Tutorial “Handling Exceptions” (python.org, current)	Real Python “Python Exceptions: An Introduction” (realpython.com, unspecified)	Official guide to try/except; RealPython provides context, best practices (e.g. using else/finally).
8. *args & **kwargs	Python Tutorial “Arbitrary Argument Lists” (python.org, current)	Real Python “args and kwargs: Demystified” (realpython.com, unspecified)	Official syntax and example (cheeseshop function); RealPython explains use of args/kwargs for flexible functions.
9. Global Interpreter Lock (GIL)	Python Wiki “GlobalInterpreterLock” (python.org, archived)	Real Python “What Is the Python GIL?” (realpython.com, 2023)	Wiki defines GIL’s role in thread-safety; RealPython gives modern explanation of its effect on multithreading.
10. Virtual envs and dependencies (venv, pip)	Python Tutorial “Virtual Environments and Packages” (python.org, current)	Real Python “Python Virtual Environments: A Primer” (realpython.com, 2022)	Official overview of creating/using venv and pip; RealPython offers detailed guide on venv creation, activation, and management.