Here is some code to copy a file with shutil.
# copy a file
import shutil
# copy the file file.txt in the backup folder
shutil.copy("file.txt", "backup")
or this way …
with open("file.txt", "rb") as read:
with open("backup/file2.txt", "wb") as filetobecopied:
filetobecopied.write(read.read())
This is the video about these methods of copying files.