Visualizing Pandas DataFrames with Matplotlib: A Step-by-Step Guide

Maximizing Values from a Pandas DataFrame: A Comprehensive Guide to Grouping and Aggregation

Understanding pandas to_sql Errors: A Deep Dive into Column Name Issues

Applying Formulas Across Entire Columns Based on Values in Another Column with Pandas

Extracting Specific Values from Grouped Data with Pandas: A Comprehensive Guide

Understanding Pandas DataFrames: How to Identify and Drop Junk Values

Understanding How to Look Up Values in a Column to See if They Fall Within a Date Range Using Python and Pandas

Here's a refactored version of the code with proper indentation, comments, and a clear structure:

Adding Rows from a Loop to a New DataFrame Using Pandas' append() Method

Categorizing with Multiple Conditions Using Pandas' IF Statements