[Python]PDF merge

# !pip install PyPDF2
# !pip install pypiwin32

import PyPDF2; import win32api
from PyPDF2 import PdfMerger

merger = PdfMerger()

path = input('합칠 pdf가 있는 파일의 경로(예C:\\Users\\Desktop\\PDF_merge):' )
path2 = path + '\\\\'
merge_list = input('합칠 pdf 파일명(구분자:,): ')
merge_list = merge_list.split(',')

merge_list2 = []

for pdf_name in merge_list:
    pdf_name = path + '\\' + pdf_name+'.pdf'
    merge_list2.append(pdf_name)

for pdf_name in merge_list2:
    merger.append(pdf_name)
merger.write(path2 +'PDF_merge_result.pdf')
merger.close()

win32api.MessageBox(0, "PDF 파일 합치기 완료", "작업 완료 안내창", 0) #완료 팝업