Merge several PDF files into one unique File

merger.py

from PyPDF2 import PdfFileMerger
import glob
import sys

pdfs = sys.argv[1:]
#['Planche1.pdf', 'Planche2.pdf']
out=pdfs.pop()

print("File to merge :" +str(pdfs))
print("Result File   :" +out)

merger = PdfFileMerger()

for pdf in pdfs:
    merger.append(pdf)

merger.write(out)
merger.close()

PDF Merger

# pip3 install PyPDF2
# python3 merger.py result_file.pdf file1.pdf file2.pdf somedir/*.pdf