How do we efficiently filter rows matching a specific list of target geographic states?
isin() evaluates whether a column's value matches any element in an arbitrary list or tuple.
Regional sales territory routing, category whitelisting, and multi-state compliance filters.
from pyspark.sql.functions import col
df.filter(col("state").isin("NY", "CA", "TX")).show()Practice typing production-grade PySpark code for Set Inclusion with isin().