django

• Non-atomic migrations with multiple sql statements
• iterator
• Migration state and operation
• Testing django locally

internals

• set ordering

libs

• Tenacity
• Fixit

performance

• set and list performance
• Inspecting memory
• list unpacking vs concat

profiling

• Austin
• Tuna

syntax

• try-except-finally
• setdefault

typing

• Sentinels

Virtual Environments

• venv