|
infile = open('infile.dat', 'rb')
|
|
outfile = open('outfile.dat', 'wb')
|
|
|
|
while True:
|
|
onerecord = infile.read(80)
|
|
if len(onerecord) < 80:
|
|
break
|
|
onerecordreversed = bytes(reversed(onerecord))
|
|
outfile.write(onerecordreversed)
|
|
|
|
infile.close()
|
|
outfile.close()
|