{CodeRoyale}
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Multiple ChoiceHard 30s

Runtime Protocol Check

Choose the best answer for: Protocol checking
Options
  1. 1Protocol is a drop-in replacement for the abstract class ABC base class
  2. 2Protocol can be checked at runtime with isinstance (if decorated @runtime_checkable)
  3. 3Protocol members are always runtime-checked with no extra decorator at all
  4. 4Protocol never performs any checking, neither at runtime nor statically
pythonhard

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