Skills Needed to Become a Data Scientist

Stack vs Queue | Difference Between Stack And Queue | Data Structures And Algorithms | Simplilearn

BFS and DFS Graph Traversal Tutorial for Beginners | Breadth-First Search | Depth First Search

1.1Classification of Data Structures / Primitive and Non Primitive Data Structures

L-3.7: Introduction to Trees (Binary Tree, Almost Complete Binary Tree, Full BT, Complete BT, BST)