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Invocation of the ____ function follows each call to the open() function to return the next tuple

10. Invocation of the ____ function follows each call to the open() function to return the next tuple.

1. open()
2. next()
3. close()
4. None

Answer: B) next()

Explanation:

Invocation of the next() function follows each call to the open() function to return the next tuple.