import hashlib

# print(hashlib.md5)
h = hashlib.md5()
h.update(b'a')
g = hashlib.md5(b'a')
assert h.name == g.name == 'md5'
print(h.hexdigest())
print(g.hexdigest())

assert h.hexdigest() == g.hexdigest() == '0cc175b9c0f1b6a831c399e269772661'
assert h.digest_size == g.digest_size == 16

h = hashlib.sha256()
h.update(b'a')
g = hashlib.sha256(b'a')
assert h.name == g.name == 'sha256'
assert h.digest_size == g.digest_size == 32
print(h.hexdigest())
print(g.hexdigest())

assert h.hexdigest() == g.hexdigest() == 'ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb'

h = hashlib.sha512()
g = hashlib.sha512(b'a')
assert h.name == g.name == 'sha512'
h.update(b'a')
print(h.hexdigest())
print(g.hexdigest())

assert h.hexdigest() == g.hexdigest() == '1f40fc92da241694750979ee6cf582f2d5d7d28e18335de05abc54d0560e0f5302860c652bf08d560252aa5e74210546f369fbbbce8c12cfc7957b2652fe9a75'

h = hashlib.new("blake2s", b"fubar")
print(h.hexdigest())
assert h.hexdigest() == 'a0e1ad0c123c9c65e8ef850db2ce4b5cef2c35b06527c615b0154353574d0415'
h.update(b'bla')
print(h.hexdigest())
assert h.hexdigest() == '25738bfe4cc104131e1b45bece4dfd4e7e1d6f0dffda1211e996e9d5d3b66e81'