code: def reverse_file(infile, outfile):
      '''Reverse the content of infile, write to outfile.
      Both infile and outfile are filenames or filepaths.
      '''
      with open(infile, 'rb') as inf:
          with open(outfile, 'wb') as outf:
              reverse_fd(inf, outff reverse_file(infile, outfile):
      '''Reverse the content of infile, write to outfile.
      Both infile and outfile are filenames or filepaths.
      '''
      with open(infile, 'rb') as inf:
          with open(outfile, 'wb') as outf:
              reverse_fd(inf, outf)
docs: Reverse the content of infile, write to outfile.
      Both infile and outfile are filenames or filepaths.