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GeezerVison is showing github.com — learn-python/src/standard_libraries/test_zlib.py at master · ltolsma/learn-python

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"""Data Compression.
@see: https://docs.python.org/3/tutorial/stdlib.html#data-compression
Common data archiving and compression formats are directly supported by modules including: zlib,
gzip, bz2, lzma, zipfile and tarfile.
"""
import zlib
def test_zlib():
"""zlib."""
string = b'witch which has which witches wrist watch'
assert len(string) == 41
zlib_compressed_string = zlib.compress(string)
assert len(zlib_compressed_string) == 37
zlib_decompressed_string = zlib.decompress(zlib_compressed_string)
assert zlib_decompressed_string == b'witch which has which witches wrist watch'
assert zlib.crc32(string) == 226805979
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