from PyPDF2 import PdfFileWriter, PdfFileReader

# 开始页

start_page = 0

# 截止页

end_page = 5

output = PdfFileWriter()

pdf_file = PdfFileReader(open("input.pdf", "rb"))

pdf_pages_len = pdf_file.getNumPages()

# 保存input.pdf中的1-5页到output.pdf

for i in range(start_page, end_page):

    output.addPage(pdf_file.getPage(i))

outputStream = open("output.pdf", "wb")

output.write(outputStream)