A Practical Guide for manipulating and processing datasets in Python.This book which is a well to go smart introduction to data analysis using python is one of the best available books in the market. This book covers basic and advanced data analysis concepts in detail using several python libraries that are well known for their data analytical features. This book explains everything in detail and sometimes enhances the readers' knowledge by touching some advanced topics that need strict adherence and sincerity to master them. In this book we start with an introduction to data analysis using catering system as an example. We always strive to give python code for the concepts book because they give a practical understanding of the topic. Below we will explain the most important topics we have discussed in this book in no particular order.