Create Factorial of Number

The factorial of a number is the product of all the integers from 1 to that number.

For example, the factorial of 6 is 1*2*3*4*5*6 = 720. Factorial is not defined for negative numbers, and the factorial of zero is one, 0! = 1.

Author: Rahitya5

Factorial of Number

@@ -0,0 +1,24 @@
+#APPROACH-1
+
+def factorial(n):
+    if n==0:
+        return 1
+    else:
+        return n*factorial(n-1)
+a=int(input())
+print(factorial(a))
+
+#APPROACH-2
+
+# To take input from the user
+num = int(input())
+factorial = 1
+# check if the number is negative
+if num < 0:
+   print("Sorry, factorial does not exist for negative numbers")
+elif num == 0:
+   print("The factorial of 0 is 1")
+else:
+   for i in range(1,num + 1):
+       factorial = factorial*i
+   print("The factorial of",num,"is",factorial)