Basics Data Structure and algorithm (Python)

Your comprehensive Basic Data Structures PDF is ready!

Here's what's included across 14 chapters:

ChapterContent1Introduction — What are data structures, ADTs, Big-O2Arrays — memory formulas, operations, 3 solved examples3Linked Lists — singly/doubly, insert/delete, cycle detection4Stacks — LIFO,

2 implementations, balanced brackets example5Queues — FIFO, circular queue,

BFS example6Trees — terminology, traversals (inorder/preorder/postorder/BFS)7Binary Search Trees — insert/delete/validate8Heaps — array formulas, heapq, heap sort9Hash Tables — chaining, load factor,

Two Sum example10Graphs — adjacency list, DFS/BFS, Dijkstra's algorithm11Sorting — Bubble, Selection, Insertion, Merge, Quick Sort12Searching — Linear, Binary, Jump Search13Master Complexity Cheat Sheet — all operations in one table14Quick Revision Notes + Python reference + study tips

Every section includes definitions, formulas, color-coded examples, and working Python code. 🎓