Enjoyed this intoduction to pyspark and want to go to the next level?!
check out my guide for advanced functions:
https://youtu.be/exffwifu5ZA?si=J7HQRjnT5-pAkM3r
for future reference (and cntl+C/cntl+V'ing), use the notebook:
https://github.com/MoranReznik/PySpark-Reference-Notebook/blob/main/PySpark%20Tutorial.ipynb