append dataframe to content-fit a table and append to existing pdf.

from PyPDF2 import PdfFileMerger, PdfFileReader

merger = PdfFileMerger()
input1 = PdfFileReader(open("document1.pdf", "rb"))

input2 = PdfFileReader(open("document2.pdf", "rb"))
merger.append(input1)
merger.append(input2)

output = PdfFileWriter()

merger.write("document-output.pdf")