就是高中數學的那個排列組合的組合,C。從 n 樣東西里,取出 m 樣,計算有幾種取法 就是那個組合的 nCm 公式寫出來就是 n!/( (n-m)!*m! ) - # Import math Library
- import math
- # Initialize the number of items to choose from
- n = 7
- # Initialize the number of possibilities to choose
- k = 5
- # Print total number of possible combinations
- print (math.comb(n, k))
複製代碼The result will be:
21
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