I wish to make a container class to be iterable. Which of the following statements are true?

Question

Answer

You can implement  __next__() only in the container class

Answer

You can implement __iter__() and __next__() in the container class

Answer

You can implement __iter__() only in the container class and it must return self

Answer

You can implement __iter__() only in the container class and it must return an object from an iterable class

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