使用列表推导和zip：
>>> text = ["this is a sentence", "so is this one"]>>> bigrams = [b for l in text for b in zip(l.split(" ")[:-1], l.split(" ")[1:])]>>> print(bigrams)[('this', 'is'), ('is', 'a'), ('a', 'sentence'), ('so', 'is'), ('is', 'this'), ('this', 'one')]
