Grouping and Filtering DataFrames with Pandas and GroupBy Transformations

Assigning Column Names to Pandas Series: A Step-by-Step Guide

Using Regular Expressions for Selective Data Replacement in Pandas DataFrames

Converting Pandas DataFrames to Nested Dictionaries in Python

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.

Handling Lists as Column Values in Pandas DataFrames: A Step-by-Step Solution

Exploring Different Data Types in Python Pandas: Categorical, Numerical, and DateTime Columns

Understanding and Resolving the SettingWithCopyWarning in Pandas

How to Collapse Rows in a Pandas Multi-Index DataFrame

Building a DataFrame from Values in a JSON String that is a List of Dictionaries