Basic

Use the builtin hash function.

Only works on hashable types - immutable values so not a list.

An integer is the same.

>>> hash(1)
1
>>> hash(100000)
100000
>>> hash(-1000)
-1000
>>> hash(-1)
-2 # NB
>>> hash(-2)
-2

Note that hash(-1) and hash(-2) are both equal to -2 in CPython because -1 is a reserved value for throwing an erro. See StackOverflow.

Other types.

>>> hash(1.234)
539567264156004353
>>> hash('a')
6519807998810050271
>>> hash('b')
2346156457918776634
>>> hash('ab')
-3228631933982636868

Hashlib

Using the builtin hashlib module.

e.g. to use the SHA256 algorithm.

import hashlib

hashlib.sha224(b"Nobody inspects the spammish repetition").hexdigest()
# 'a4337bc45a8fc544c03f52dc550cd6e1e87021bc896588bd79e901e2'