def ngram(self, string):
return ngram(string, self.size, self.char)
def test_ngram():
assert ngram('abc') == ['$a', 'ab', 'bc', 'c$']
assert ngram('abc', char='#') == ['#a', 'ab', 'bc', 'c#']
assert ngram('abc', size=1) == ['a', 'b', 'c']
