Demo of how to gzip and gunzip a string in Python 3

gzip_str.py

"""How to gzip a string.

This works for Python 3.2.  For 3.1-, look at the original gist (under "Revisions")
"""
import gzip

def gzip_str(string_: str) -> bytes:
    return gzip.compress(string_.encode())


def gunzip_bytes_obj(bytes_obj: bytes) -> str:
    return gzip.decompress(bytes_obj).decode()


string_ = 'hello there!'

gzipped_bytes = gzip_str(string_)

original_string = gunzip_bytes_obj(gzipped_bytes)

assert string_ == original_string

Great point @jack980517, I've updated it to reflect that.