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Hacker News·5 min read·hard

What `for x in y` hides from you – From Scratch Code

R
rbanffy
What `for x in y` hides from you – From Scratch Code
AI Summary

This article explains the underlying mechanics of Python's 'for' loop, revealing that it relies on iterators rather than direct collection access. It demystifies the 'for x in y' syntax by showing how the 'iter()' and 'next()' functions manage iteration.

What a Python `for` loop is really doing once you stop hand-waving.

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