What is data science in simple words?
What is data science in simple words? Let’s understand what data science is in simple words with an example. Imagine you and your friends were debating on a single topic. The topic: Does Social Media Usage Impact Mental Health? Now you were saying it does and your friend said it is just a rumour. And…
Coding Interview Challenges for Technical Interviews
Coding interview challenges often decide whether you clear a technical interview. These tasks assess your ability to think critically, manage actual data, and relate findings to business issues in data science and analyst roles. The majority of candidates use practice platforms to solve arbitrary problems in order to get ready. This increases speed, but it…
Transitioning from Non-IT Roles to Data Science: A Skills Roadmap That Makes the Switch Real
If you’re working in a non-IT role and thinking about moving into data science, chances are this thought has crossed your mind: “Everyone else seems way ahead of me.” Engineers. Coders. Computer science grads. Meanwhile, you’re coming from sales, finance, operations, law, teaching, or FMCG. The gap feels massive. Here’s the part no one tells…
The Hidden Challenges of Remote Data Work and How to Fix Them
Remote data work has completely changed how professionals across the globe, including India, operate. Data analysts, data engineers, data scientists, and BI professionals can now work from anywhere with just a laptop and an internet connection. On the surface, this seems ideal: no traffic, flexible schedules, and the comfort of home. However, remote data roles…
Set Mutations in Python Challenge on HackerRank
Set Mutations in Python Challenge on HackerRank Set Mutations in Python is a challenge on HackerRank. The task teaches you how to change a set using update, intersection_update, difference_update, and symmetric_difference_update. What Are Set Mutations in Python A set stores unique values. Mutation methods change the set directly. • update adds new items from another…
Data Cleaning in Pandas: A Complete Beginner Guide
Data Cleaning in Pandas helps you prepare raw data for real work. Your file may contain repeated rows, empty cells, wrong emails, wrong phone numbers, or missing values. If you try to use this data in reports or models, you get wrong results. Cleaning solves this problem. You fix mistakes, fill empty values, and remove…
Pandas String Functions in Python: Full Guide With Examples
Text data is always messy. You get extra spaces, wrong cases, bad phone numbers, mixed formats, and unclear feedback messages. Cleaning such text becomes easy when you use Pandas string functions. Pandas gives you a large set of tools under the An .str accessor that helps you edit, format, split, and validate string columns. This…
Python Symmetric Difference HackerRank Challenge
If you are learning Python and practising coding challenges, this Python symmetric difference tutorial using a HackerRank challenge is perfect. In this tutorial, we solve a HackerRank problem where we count students who subscribe to either the English or French newspaper, but not both. Using the symmetric difference operation in Python makes this problem simple…
Python set difference() Full Explanation with HackerRank Solution
Python set difference() Explained with Full Step-by-Step Solution Python set difference() allows you to compare two sets and find the elements that are in one set but not in the other. This guide explains how Python set difference() works, why it is useful, and how beginners can apply it to solve coding challenges with clear…
7 Top Benefits of Cross-Functional Skills for Data Work
As companies are data-dependent, obviously, every company needs it in today’s world. From marketing and sales to operations and customer service, data is central to how every department identifies problems, makes decisions, and plans for the future. When people have cross-functional skills, it is when the real impact of data happens. These skills enable an individual to carve…
Python Functions for Beginners: Complete Guide With Examples
Python functions make it easier to break up a big program into smaller, easier-to-manage parts. When writing longer scripts, repeating the same code becomes confusing. Functions, which let you write the logic once and run it whenever necessary, solve this. As a result, your code is kept neat, organized, and easier to maintain. A function…