Zlib compression

In your explanation for Incorrect answers for the last Quiz on zstd, you said

zstd has a faster compressing/decompressing speed than snappy , but

zlib remains the optimal algorithm for fast compression/decompression. However, zlib trades compression ratio for that faster speed."

Surely you meant zstd a faster compressing/decompressing speed than zlib , but
zlib remains the optimal algorithm for **compression ratio ** . However zlib trades faster speed for compression ratio"

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Hello alexlws,

Thanks for reporting this issue! We are releasing a fix and it should be out shortly.

Just a heads up, you may not see this change reflected in your course content. But future students taking this course will have the updated content!

Thanks,
Matt