Note: read the PyPDF2 documentation before proceeding. It is not very long.

Project #1

Add a stamp to a PDF file.

Project #2

Add a watermark to a PDF file.

Code Example (merge pdf files)

#!/usr/bin/python3
# ===================================================================
# from: www.youtube.com/watch?v=vEQ8CXFWLZU
#       3 Python Automation Projects
# -------------------------------------------------------------------
# pip install PyPDF2
# -------------------------------------------------------------------
# http://pypi.org/project/PyPDF2/
# ===================================================================

import PyPDF2
import sys
import os

merger = PyPDF2.PdfFileMerger()

for file in os.listdir(os.curdir):
    if file.endswith('.pdf'):
        print(file)
        merger.append(file)
merger.write('combined.pdf')