PYTHON | SESSION 2 - Part 2 | DATA QUERYING & MANIPULATION

Master advanced Python data manipulation techniques in this session, focusing on powerful summarization using groupby and multi-variable aggregations like mean, sum, and count. Learn to implement complex business logic by creating custom age buckets and customer segments using conditional user-defined functions and the .apply() method. The tutorial dives deep into nested if-then scenarios for row-level calculations and demonstrates efficient ways to update values using .loc and delete records via .drop() with specific criteria. We also cover essential data reshaping skills, teaching you how to transpose information between columns and rows using the melt and pivot functions. By the end of this session, you will be able to automate sophisticated data analysis workflows, perform data cleaning, and generate professional summary reports. Stop fearing the future. Start building it. Our industry-ready Data Science programs are designed to help you work with AI, not for it. 🔹 What You’ll Get: ✅ 100% Placement Assistance ✅ Live Industry Projects & Hands-On Training ✅ Expert Mentorship from Industry Professionals Ready to build a future-proof career in Data Science, AI & Analytics? 👉 Click “Learn More” to download the FREE course brochure and secure your seat today! https://dvanalyticsmds.com/advanced-program-in-industrial-data-science/ 📌 About DV Analytics DV Data & Analytics is a leading Data Science training and consulting institute, led by senior industry experts. For over 15+ years, we’ve been bridging the gap between industry requirements and real-world skills, helping learners transform into job-ready professionals. ✔ 8000+ trained students ✔ 95%+ success rate ✔ 200+ Batches ✔ Average salary: ₹17.5 LPA ✔ Learners from technical & non-technical backgrounds ✔ Alumni placed in MNCs like Amazon, Morgan Stanley, Citibank, HSBC, Flipkart, Deloitte, Honeywell, Standard Chartered, ANZ Bank, Ford Motors & more 🔹 Our Consulting Expertise We help organizations grow through data-driven strategies: Data Quality & Management Business Intelligence & MIS Automation Process Optimization & Technology Migration Advanced Analytics & AI Solutions Machine Learning Model Deployment 📞 Contact: +91 9019030033 | 8095881188 🌐 Register Now: www.dvanalyticsmds.com #PythonDataScience #PandasTutorial #DataSummarization #datascience #PythonProgramming #DataAnalysis #PythonGroupby #DataCleaning #LearnPython #PythonAutomation #DataManipulation #CodingTutorial #PandasMelt #PandasPivot #PythonConditionalLogic #DataScienceSkills