30秒学会 Python 片段 – Binomial coefficient

Calculates the number of ways to choose k items from n items without repetition and without order.

• Use math.comb() to calculate the binomial coefficient.

代码实现

from math import comb

def binomial_coefficient(n, k):
  return comb(n, k)

使用样例

binomial_coefficient(8, 2) # 28

翻译自：https://www.30secondsofcode.org/python/s/binomial-coefficient