Replacing Dates in a Pandas DataFrame Column Greater Than Reference Date

Grouping Multiple Columns Under a Single Column in Pandas: A Step-by-Step Guide

Constructing a DataFrame from Values in Nested Dictionary: A Creative Solution

Counting Unique Values in Python DataFrames Using Pandas

Using Pandas Indexing and Selection to Fetch Specific Data from Excel Files in Python

Here is the code for the solution:

Understanding the Pitfalls of Multiprocessing: Solving Empty Dataframe Issues in Python

Understanding How to Handle Integer Data Types in Pandas CSV Files

Performing Element-wise Operations with Pandas and NumPy: A Lambda Function Approach

Formatting Rows in Excel Output with Xlsxwriter and Pivot Tables for Data Analysis.