solved extra long factorials hackerrank

Signed-off-by: ayham <altffour@protonmail.com>

hackerrank.extra.long.factorials.py

@@ -0,0 +1,21 @@
+#!/bin/python3
+
+import math
+import os
+import random
+import re
+import sys
+
+def fact(num):
+    res = 1
+    for i in range(num, 1, -1):
+        res = res * i;
+    return res;
+
+def extraLongFactorials(n):
+    print(fact(n))
+
+
+if __name__ == '__main__':
+    n = int(input().strip())
+    extraLongFactorials(n)