Words in short-lex order (wislo)

The function wislo can be used to iterate through words in short-lex order in some range.

wislo(n: int, first: List[int], last: List[int]) → Iterator

Returns an iterator to strings in short-lex order (sislo).

Parameters

• n (int) -- the number of letter

• first (list) -- the first word

• last (list) -- one past the last word

Returns

An iterator to words over an alphabet with n in short-lex order and in the range [first, last).

>>> from libsemigroups_pybind11 import wislo
>>> list(wislo(2, [0], [1, 1]))
[[0], [1], [0, 0], [0, 1], [1, 0]]