Chatty reference · python week 4

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2026-08-16T00:00:00.000Z

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W4–5 combined in source # 19. Python W4–5 — Iterations & Ranges Core structures: and Patterns: - fixed repetition - condition-controlled repetition - counting - accumulation - filtering - searching - maximum/minimum - nested iteration - range generation Important: has an **exclusive stop**.

19. Python W4–5 — Iterations & Ranges

Core structures:


python
for x in ...:

and


python
while condition:

Patterns:

fixed repetition
condition-controlled repetition
counting
accumulation
filtering
searching
maximum/minimum
nested iteration
range generation

Important:


python
range(start, stop, step)

has an exclusive stop.

This is one of the classic Python traps.

What this note is really saying

19. Python W4–5 — Iterations & Ranges

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