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Multiple ChoiceIntermediate 30s

__all__ variable

Choose the best answer for: __all__
Options
  1. 1__all__ lists all variables defined in the module
  2. 2__all__ controls what 'from module import *' exports
  3. 3__all__ is a keyword that must appear before any import
  4. 4__all__ prevents imports and hides the whole module

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