Question: What does a transformation do in Spark RDD ? Takes RDD as input and produces one or more RDD as output. Returns final result of

What does a transformation do in Spark RDD?
Takes RDD as input and produces one or more RDD as output.
Returns final result of RDD computations.
Sends the result from executors to the driver.
Keeps track of the operations performed on RDD.
What does a transformation do in Spark RDD ?

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