difflib - Finding close matches of strings from a list

September 22, 2019 · 1 minute read

Say we have a list of strings: _list = [...,] and user input _input = '...', how do we find the items in _list that most closely resemble _input?

Python has a built-in package called difflib with the function get_close_matches() that can help us.

get_close_matches(word, possibilities, n, cutoff) accepts four parameters:

An example from the docs:

Python 3.7.3

>>> from difflib import get_close_matches
>>> get_close_matches('appel', ['ape', 'apple', 'peach', 'puppy'])
['apple', 'ape']

The above example can easily be modified to use a custom list _list for possibilities and user input _input for word.