recipe-578647.py 文件源码

def fraction(self, terms=None):
        "Convert to a Fraction."

        if terms is None or terms >= len(self):
            terms = len(self) - 1

        frac = Fraction(1, self[terms])
        for t in reversed(self[1:terms]):
            frac = 1 / (frac + t)

        frac += self[0]
        return frac