Create factorial.py

Author: souravjain540

factorial.py

@@ -0,0 +1,8 @@
+def factorial(n):
+     
+    return 1 if (n==1 or n==0) else n * factorial(n - 1);
+ 
+
+num = int(input("Enter a number: "));
+
+print("Factorial of",num,"is",factorial(num))