working with average

averageHeadFirstSolution.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+
+	"git.linuxhg.com/john-okeefe/datafile"
+	"git.linuxhg.com/john-okeefe/keyboard"
+)
+
+func averageHeadFirstSolution() {
+	fmt.Printf("What is the name of the file: ")
+	fileString, err := keyboard.GetString()
+	Error(err)
+	fileString = strings.TrimSpace(fileString)
+	numbers, err := datafile.GetFloats(fileString)
+	Error(err)
+	var sum float64 = 0
+	for _, number := range numbers {
+		sum += number
+	}
+	sampleCount := float64(len(numbers))
+	fmt.Printf("Average: %0.2f\n", sum/sampleCount)
+}

averageMySolution.go

@@ -11,14 +11,7 @@ import (
 	"git.linuxhg.com/john-okeefe/keyboard"
 )
 
-func Error(err error) {
+func averageMySolution() {
-	if err != nil {
-		log.Fatal(err)
-	}
-	return
-}
-
-func average() {
 	fmt.Printf("What is the name of the file: ")
 	fileString, err := keyboard.GetString()
 	Error(err)

error.go

@@ -0,0 +1,10 @@
+package main
+
+import "log"
+
+func Error(err error) {
+	if err != nil {
+		log.Fatal(err)
+	}
+	return
+}

go.mod

@@ -11,6 +11,7 @@ require (
 )
 
 require (
+	git.linuxhg.com/john-okeefe/datafile v0.0.0-20231019003321-0d46a9c14627 // indirect
 	github.com/atotto/clipboard v0.1.4 // indirect
 	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
 	github.com/containerd/console v1.0.4-0.20230313162750-1ae8d489ac81 // indirect

go.sum

@@ -1,3 +1,5 @@
+git.linuxhg.com/john-okeefe/datafile v0.0.0-20231019003321-0d46a9c14627 h1:CssED3WO+ie9309BqxqHWPzU2dJiVgn/M6m2Xi9B0mg=
+git.linuxhg.com/john-okeefe/datafile v0.0.0-20231019003321-0d46a9c14627/go.mod h1:HexHt1UMGUDMV5bhB81nAKdvGaCnxKA2upRd7cV8laI=
 git.linuxhg.com/john-okeefe/keyboard v0.0.0-20231016005355-05ed8b28800e h1:oCGqHZUhesu14KQUELz0jxIPnL/KcGFhsmNnKoAZMo4=
 git.linuxhg.com/john-okeefe/keyboard v0.0.0-20231016005355-05ed8b28800e/go.mod h1:zxW/S0TzdzmyfloJ0ZHwMaTjMgfd8hK8TycSEAyMRkY=
 git.linuxhg.com/john-okeefe/keyboard v0.0.0-20231016161119-714c103574cc h1:J5VWew9I6gCCYVxQ/5NEtsD4wcMZcc4e05V44OiSNi4=

playground.go

@@ -28,8 +28,10 @@ func main() {
 			double()
 		case "Convert To Celsius":
 			toCelsius()
-		case "Get the Average":
+		case "Get the Average My Solution":
-			average()
+			averageMySolution()
+		case "Get the Average Head First Solution":
+			averageHeadFirstSolution()
 		}
 		return nil
 	})
@@ -42,7 +44,8 @@ func main() {
 	menu.Option("myIntPointer", nil, false, nil)
 	menu.Option("Double", nil, false, nil)
 	menu.Option("Convert To Celsius", nil, false, nil)
-	menu.Option("Get the Average", nil, false, nil)
+	menu.Option("Get the Average My Solution", nil, false, nil)
+	menu.Option("Get the Average Head First Solution", nil, false, nil)
 	err := menu.Run()
 	if err != nil {
 		log.Fatal(err)