Python Interview Questions · interview question
When should a Python developer choose Sets and Membership Testing deliberately?
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Answer and explanation
Correct answer
D. Use a set for de-duplication, seen-tracking, or fast contains checks inside parsing and traversal code.
Why
Use a set for de-duplication, seen-tracking, or fast contains checks inside parsing and traversal code. Interviewers often ask this to see whether you can connect the concept to real design decisions.
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