Python Lecture 4 – split() Function, CSV Files, Dictionaries & HackerRank Practice

In the fourth lecture of our Python series, we review homework, dive deeper into the split() function, explore CSV file handling, and strengthen our understanding of Python Dictionaries — all through hands-on coding and real examples.

💻 Practice Platform: HackerRank & GitHub
📌 For: Beginners building strong Python fundamentals through consistent practice.

⏱️ Timestamps:

00:00 – Homework Review & Progress Discussion
00:05 – Input Loops, Command Parsing & split() Function
00:15 – Handling List Commands: insert, remove, append, pop & Edge Cases
00:25 – Deep Dive into split() — Separators & String Splitting
00:35 – Introduction to CSV Files & Processing Data with split()
00:45 – Python Dictionaries: Creation, Access & Safe Retrieval with .get()
01:00 – Updating Dictionaries & Grading Logic with if-elif-else
01:10 – Homework Assignment, Practice Tips & Wrap-Up
🧠 What You'll Learn:

-- Parsing multi-part user commands using split()
-- Handling edge cases like popping from an empty list
-- Using different separators in split() for various data formats
-- Reading and processing CSV file data in Python
-- Python Dictionaries — creation, access, update, and safe retrieval with .get()
-- Implementing grading logic using if-elif-else with dictionary data
-- Version control basics with GitHub for saving code progress
📝 Homework Assigned:

-- Complete the HackerRank list operations problem
-- Read and process a CSV file using split() and conditional logic
-- Practice dictionary operations: create, access, update, and safe retrieval
-- Save all code on GitHub

Видео Python Lecture 4 – split() Function, CSV Files, Dictionaries & HackerRank Practice канала Sujeet Chavhan