Python + DSA Study Tracker
2025-09-24
Python Basics
Data Types, List comprehension, Problems: Reverse String, Two Sum, Valid Palindrome
Status:
✅ Done
(updated 2025-09-25 12:31:45)
Notes: it was done
2025-09-25
Functions & Recursion
Functions, Recursion, Problems: Fibonacci, Climbing Stairs, Flatten nested list
Status:
✅ Done
(updated 2025-09-25 14:39:27)
Notes: : fibonacci : class Solutions def fib(self, n:int) -> int: if n <=1: return n a,b = 0,1 for _ in range(2,n+1): a,b = b,a+b return b;
Clibming strairs
2025-09-26
OOP
Classes, Inheritance, Problems: BankAccount, Stack, Parking System
Status:
✅ Done
(updated 2025-09-28 07:38:31)
Notes: classes , inheritance , bank account problems
2025-09-27
Advanced Python
Generators, Context managers, Problems: Fibonacci generator, File manager
Status:
✅ Done
(updated 2025-09-28 08:17:02)
Notes: Generators, Context managers,
2025-09-28
Python Efficiency
collections, itertools, functools, Problems: Counter, deque, lru_cache
Status:
✅ Done
(updated 2025-10-02 13:56:53)
Notes: collections done, itertools done , functools done
2025-09-29
Arrays & Strings
Sliding Window, Prefix Sums, Problems: Max Subarray, Longest Substring, Move Zeroes
Status:
✅ Done
(updated 2025-10-02 14:41:24)
Notes: Sliding Window - done
2025-09-30
Linked List
Implement LL, Problems: Reverse LL, Cycle Detection, Merge Sorted Lists
Status:
⏳ Pending
2025-10-01
Stack & Queue
Implement, Problems: Valid Parentheses, Min Stack, Queue using Stacks
Status:
⏳ Pending
2025-10-02
Hashing
Problems: Subarray Sum = K, First Unique Char, Group Anagrams
Status:
⏳ Pending
2025-10-03
Backtracking
Problems: Permutations, Subsets, N-Queens
Status:
⏳ Pending
2025-10-04
Trees
Binary Tree basics, Max Depth, Diameter, LCA
Status:
⏳ Pending
2025-10-05
Graphs
BFS/DFS, Problems: Number of Islands, Clone Graph, Course Schedule
Status:
⏳ Pending
2025-10-06
Sorting & Searching
QuickSort, MergeSort, Binary Search problems
Status:
⏳ Pending
2025-10-07
LeetCode Easy Marathon
Status:
⏳ Pending
2025-10-08
LeetCode Medium Marathon
Status:
⏳ Pending
2025-10-09
Mock Interview
4 problems (2 easy, 2 medium), timed
Status:
⏳ Pending
2025-10-10
Final Revision
Cheatsheet, review templates, favorite problems
Status:
⏳ Pending