If you structure your input slightly differently, the below works: from itertools import product values = { 'a': [1, 2], 'b': [3, ... ... <看更多>

(∀n∈N) into the factors which themselves are in factorial (m!) and combination ( C(r,k) ) forms? And also is there a formula to calculate ... ... <看更多>

Jul 21, 2015 - Use permutation and combination math to find how many different groupings are possible. Factorial math plays a big part. ... <看更多>