Create factorial.go

In this Go code, we define a recursive function called factorial that takes an integer n as input and returns the factorial of that number. The main function reads a number from the user and then calls the factorial function to calculate the factorial and prints the result.

Author: uppy19d0

go/factorial.go

@@ -0,0 +1,18 @@
+package main
+
+import "fmt"
+
+func factorial(n int) int {
+    if n == 0 {
+        return 1
+    }
+    return n * factorial(n-1)
+}
+
+func main() {
+    var n int
+    fmt.Print("Enter any number of your choice: ")
+    fmt.Scan(&n)
+    fact := factorial(n)
+    fmt.Printf("The factorial of the given number is %d\n", fact)
+}