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Python Programming Interview Questions & Answers

Decorators, generators, memory management, GIL, OOP in Python, and data libraries.

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When would you use a list, tuple, set, or dictionary in Python?

Use a list for an ordered sequence that you intend to modify and a tuple for a fixed sequence or record-like grouping. A set stores distinct hashable elements and supports membership and set operation...

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Why is a mutable default argument dangerous, and how can you fix it?

Default argument expressions are evaluated when the function is defined, not each time it is called. A list used as a default can therefore retain items between calls that omit the argument. Use None ...

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