🧩 Practice Board

Arithmetic, Comparison, Logical, Membership, Identity

Functions, Return, Variables

Class, Inheritance, Abstract

Series & DataFrame Basics, Reading & Inspecting Data, Selection: loc / iloc, Filtering with Boolean Conditions, Handling Missing Data, Sorting & Ranking

SparkSession,DataFrame, Reading, Writing, Select, Filter

SELECT, WHERE,LIKE, IN, BETWEEN,Aggregates, GROUP BY, INNER, LEFT,COALESCE, IS NULL, NULLIF