I am trying to learn pyspark, is knowledge of spark 2.0 relevant for spark 3.3.1 too?

I am going to join a project soon, and requirement is to learn pyspark for ML, and some data work, spark version running is 3.3.1

I don't have much idea, I have only programmed in python till now, so I joining a course:
I found this one best and recommended by many but it runs spark 2.0 and was last updated on 2020,

Course:
https://www.udemy.com/course/spark-and-python-for-big-data-with-pyspark/
|| Spark and Python for Big Data with PySpark || Created by Jose Portilla


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datascience knowledge learn pyspark spark