python 数据压缩

xhz

常见的数据存档和压缩格式由模块直接支持，包括：zlib, gzip, bz2, lzma, zipfile 和 tarfile。:

>>>
import zlib
s = b'witch which has which witches wrist watch'
len(s)
41
t = zlib.compress(s)
len(t)
37
zlib.decompress(t)
b'witch which has which witches wrist watch'
zlib.crc32(s)
226805979