Method numcombs

Lib/test/test_itertools.py:328–331

(n, r)

                    yield tuple(pool[i] for i in indices)

        def numcombs(n, r):
            if not n:
                return 0 if r else 1
            return fact(n+r-1) / fact(r)/ fact(n-1)

        for n in range(7):
            values = [5*x-12 for x in range(n)]