The problem is that you're trying to append data to `final_dataframe` using `_append`, which doesn't work because it's not designed for appending rows.

Displaying GeoJSON/Dataframe Information When Mouse Hover on a Choropleth Map with Custom Tooltip and Folium.

Understanding Value Errors in Pandas and Handling Conflicting Metadata Names: A Practical Guide

Converting Pandas Object Data Type to String in Python: 5 Practical Methods and Optimization Techniques.

How to Avoid Length Mismatch Errors When Using Numpy's where Function for Conditional Array Operations

Understanding How to Modify Row Values Based on Previous Rows in a Pandas DataFrame

Understanding the Limitations of the `for` Loop in Python: A Solution to Multi-Action Iterations

Creating a Dictionary with Distinct Values from a Pandas DataFrame: 2 Approaches to Success

Creating Stacked Bar Charts with Grouping using Pandas and Bokeh: A Step-by-Step Guide to Visualizing Your Data

Optimizing Queries with SELECT COUNT(DISTINCT CASE WHEN ... THEN ... ELSE NULL END) and GROUP BY for Improved Performance in SQL.