1692. Count Ways to Distribute Candies

class Solution:
    def waysToDistribute(self, n: int, k: int) -> int:
        mod = 10**9 + 7
        f = [[0] * (k + 1) for _ in range(n + 1)]
        f[0][0] = 1
        for i in range(1, n + 1):
            for j in range(1, k + 1):
                f[i][j] = (f[i - 1][j] * j + f[i - 1][j - 1]) % mod
        return f[n][k]