splitting each pages for pdf file using PyPDF2

splitpdf.py

#!python3
#splitpdf.py
#ref to : https://fastclassinfo.com/entry/python_pdf_split/

import PyPDF2
import sys

fnameL = 'a.pdf'
if len(sys.argv)>1:
	fnameL = sys.argv[1]
	print(fnameL)

orgpdf = PyPDF2.PdfFileReader(fnameL)
fnameHead = fnameL[:-4]+'_page_'

for k in range(orgpdf.numPages):
	apdf = PyPDF2.PdfFileWriter()
	apdf.addPage(orgpdf.getPage(k))
	fnames = fnameHead+'{0:03d}'.format(k)+'.pdf'
	with open(fnames,'wb') as fid:
		apdf.write(fid)