⏰ 2010 → 2026: filter+map+lambda → list comprehension
🕵️ Case 02: The Mutable Default Argument
🕵️ Case 03: The Floating-Point Money Heist
Prerequisites — what you should know before this track
Read the code carefully
from pathlib import Path path = Path("greeting.txt") path.write_text("Hello from 1998") text = path.read_text() print(text) print("length:", len(text)) path.unlink()
What will the program print? Write here: