PDF split page and save each page to pdf, python

#manual https://pymupdf.readthedocs.io/en/latest/

#pip3 install PyMuPDF

import fitz

doc = fitz.open('./test2.pdf') 

#page_number = doc.pageCount

#print(page_number)

#split pages

for i, page in enumerate(doc.pages()):

    print(i)

    doc2 = fitz.open()               

    doc2.insertPDF(doc, to_page = i) 

    doc2.save("{}.pdf".format(i))