update book code

eBook/examples/chapter_12/readinput1.go

@@ -0,0 +1,24 @@
+// read input from the console:
+package main
+
+import (
+	"fmt"
+)
+
+var (
+	firstName, lastName, s string
+	i int
+	f float32
+	input = "56.12 / 5212 / Go"
+	format = "%f / %d / %s"
+)
+
+func main() {
+	fmt.Println("Please enter your full name: ")
+	fmt.Scanln(&firstName, &lastName)
+	// fmt.Scanf("%s %s", &firstName, &lastName)
+	fmt.Printf("Hi %s %s!\n", firstName, lastName) // Hi Chris Naegels
+	
+	fmt.Sscanf(input, format, &f, &i, &s)
+	fmt.Println("From the string we read: ", f, i, s) // From the string we read:  56.12 5212 Go
+}