合并pdf

from PyPDF2 import PdfMerger

def merge_pdfs(input_pdfs, output_pdf):
    merger = PdfMerger()

    for pdf in input_pdfs:
        merger.append(pdf)

    with open(output_pdf, 'wb') as output_file:
        merger.write(output_file)

# Example
input_pdfs = ['5.pdf', '2.pdf']
output_pdf = 'merged_file.pdf'

merge_pdfs(input_pdfs, output_pdf)