Scan STDIN convert to number

---

examples/scan-stdin/scan_stdin_convert.go

package main

import (
    "fmt"
    "os"
    "strconv"
)

func main() {
    var inputStr string
    fmt.Print("A numer: ")
    fmt.Scan(&inputStr)
    fmt.Printf("Input: %v Type %T\n", inputStr, inputStr)
    //number, err := strconv.Atoi(inputStr)
    number, err := strconv.ParseFloat(inputStr, 64)
    if err != nil {
        fmt.Printf("There was an error: %v\n", err)
        os.Exit(1)
    }
    fmt.Printf("Input: %v Type %T\n", number, number)
}