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Why Membership Testing in Python range() Is So Fast
Learn why `x in range(...)` is fast in Python 3, how range membership works internally, and why it avoids generating all values.
pythonperformancepython-3.xrange
__str__ vs __repr__ in Python: What’s the Difference?
Learn the difference between __str__ and __repr__ in Python, when each is used, and how to implement both with clear examples.
pythonmagic-methodsrepr
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