Catala_utils.Suggestionslevenshtein_distance w1 w2 computes the levenshtein distance separating w1 from w2.
best_candidates suggestions word returns the subset of elements in suggestions that minimize the levenshtein distance to word. Multiple candidates that have a same distance is possible.
sorted_candidates ?max_elements suggestions word sorts the suggestions list and retain at most max_elements (defaults to 5). This list is ordered by their levenshtein distance to word, i.e., the first elements are the most similar.