@@ -0,0 +1,377 @@
+#!/usr/bin/env python%0A#-*-coding:utf-8-*-%0A%0A'''%0An! means n %C3%97 (n %E2%88%92 1) %C3%97 ... %C3%97 3 %C3%97 2 %C3%97 1%0AFor example, 10! = 10 %C3%97 9 %C3%97 ... %C3%97 3 %C3%97 2 %C3%97 1 = 3628800,%0Aand the sum of the digits in the number 10! is 3 + 6 + 2 + 8 + 8 + 0 + 0 = 27.%0AFind the sum of the digits in the number 100!%0A'''%0A%0Afrom math import factorial%0A%0Aif __name__ == '__main__':%0A    print sum(map(int, list(str(factorial(100)))))%0A

add problem 20