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What does the in operator do in Python?

easy📝 Conceptual Q11 of 15
Python - Operators and Expression Evaluation
What does the in operator do in Python?
ACreates a new collection
BAdds a value to a collection
CRemoves a value from a collection
DChecks if a value exists inside a collection
Step-by-Step Solution
Solution:

  1. Step 1: Understand the purpose of in

    The in operator is used to check if a value is present inside a collection like a list, string, or tuple.

  2. Step 2: Compare with other options

    Options A, B, and C describe actions unrelated to membership checking.

  3. Final Answer:

    Checks if a value exists inside a collection -> Option D

  4. Quick Check:

    in means membership check [OK]
Quick Trick: Remember: in means 'is inside' [OK]
Common Mistakes:
MISTAKES
  • Confusing in with adding or removing items
  • Thinking in changes the collection
  • Mixing in with comparison operators

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