Bu yerda Python pyPDF2 kutubxonasi yordamida ikkita PDF faylini birlashtiradigan kod namunasi keltirilgan: ``` import PyPDF2 pdf1_file = open("file1.pdf", "rb") pdf2_file = open("file2.pdf", "rb") pdf1_reader = PyPDF2.PdfFileReaderpdf(1_file) pdf2_reader = PyPDF2.PdfFileR