Summary  
This chapter explains how to use the PyPDF2 library in Python to programmatically merge and split files, extract text and images, and modify file metadata.  

General domain of usage  
Document processing

`PyPDF2` is a Python library for handling PDF files. It allows developers to manipulate and extract data from PDF files, such as text and images, and combine multiple PDF files into a single document. `PyPDF2` is widely used for a variety of tasks, including parsing PDF documents, extracting information from invoices or other financial documents, and creating customized reports or documents.

`PyPDF2` provides many features, such as merging multiple PDF files, adding or removing pages from PDF files, extracting text and images from PDF files, and manipulating PDF metadata. These features make `PyPDF2` a useful tool for a wide range of applications, including data analysis, content creation, and automating repetitive tasks.

Overall, `PyPDF2` is a powerful library that can greatly simplify working with PDF files in Python, and its wide range of features make it a popular choice among developers.

In this project, we will study how to manipulate and extract data from PDF files, such as text and images, and combine multiple PDF files into a single document.

In this project we will study how to manipulate and extract data from PDF files, such as text and images, and combine multiple PDF files into a single document.