From 95241405da1bb5de678881fe817da254ae9c51c8 Mon Sep 17 00:00:00 2001
From: John O'Keefe <jokeefe@fastmail.com>
Date: Fri, 10 Nov 2023 12:53:12 -0500
Subject: [PATCH] made averageCalc variadic

---
 playground/averageHeadFirstVariadic.go | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 playground/averageHeadFirstVariadic.go

diff --git a/playground/averageHeadFirstVariadic.go b/playground/averageHeadFirstVariadic.go
new file mode 100644
index 0000000..b68ce90
--- /dev/null
+++ b/playground/averageHeadFirstVariadic.go
@@ -0,0 +1,26 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+)
+
+func averageCalc(numbers ...float64) float64 {
+	var sum float64 = 0
+	for _, number := range numbers {
+		sum += number
+	}
+	return sum / float64(len(numbers))
+}
+
+func averageHeadFirstVariadic() {
+	arguments := os.Args[1:]
+	var numbers []float64
+	for _, argument := range arguments {
+		number, err := strconv.ParseFloat(argument, 64)
+		Error(err)
+		numbers = append(numbers, number)
+	}
+	fmt.Printf("Average: %0.2\n", averageCalc(numbers...))
+}