Pandas is a very popular Python library that provides powerful, flexible and high-performance tools to process data.

If you’re looking to get into data science, machine learning, or you just want to brush up on your analytics skills, then look no further. In this course, you’ll learn how to process and analyze data with Pandas. 

You’ll start out by covering the basic data structures in Pandas: Series and dataframes. In the latter half of the course, you’ll learn how to perform operations on different data structures, and how to optimize performance for file uploads, data filtering, and more.

Data Analysis & Processing with Pandas

## Solution review - Find the most popular item

# Solution review - Find the most popular item

In this lesson, we explain the solution to the last challenge.

Introduction

Basic Operations on DataFrames

Other topics

Improve performance

Challenge Solution Review

Solution review - Find the most popular item