Different solution for Gophercise 1

1. Quiz Game Sol2/main.go

@@ -0,0 +1,98 @@
+package main
+
+import (
+	"encoding/csv"
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"strconv"
+	"strings"
+	"time"
+)
+
+type Question struct {
+	question      string
+	correctAnswer string
+}
+
+func readCSV(filenName string) [][]string {
+	log.Println("Opening CSV file from filepath", filenName)
+	f, err := os.Open(filenName)
+	if err != nil {
+		log.Fatal("%+v", err)
+	}
+
+	defer f.Close()
+
+	csvReader := csv.NewReader(f)
+
+	records, err := csvReader.ReadAll()
+	if err != nil {
+		log.Fatal("%+v", err)
+	}
+	return records
+}
+
+func timer(seconds int, c chan int) {
+	time.Sleep(time.Second * time.Duration(seconds))
+	c <- -1
+}
+
+func getQuestionsFromCSV(fileName string) []Question {
+	records := readCSV(fileName)
+
+	var questions []Question
+
+	for _, record := range records {
+		question := Question{record[0], record[1]}
+		questions = append(questions, question)
+
+	}
+	return questions
+}
+
+func strip(s string) string {
+	return strings.ReplaceAll(s, " ", "")
+}
+
+func askQuestion(question Question, c chan int) {
+	var userAnswer int
+
+	fmt.Printf("%s? :", question.question)
+	fmt.Scan(&userAnswer)
+	fmt.Print("\n")
+	userAnswerString := strconv.Itoa(userAnswer)
+
+	if userAnswerString == question.correctAnswer {
+		fmt.Println("Answer is Correct!")
+		c <- 1
+	} else {
+		fmt.Println("Answer is Incorrect :(")
+		c <- 0
+	}
+}
+
+func main() {
+	csvFileName := flag.String("fileName", "problems.csv", "file name string")
+	timeLimit := flag.Int("timeLimit", 30, "time in seconds")
+	flag.Parse()
+	questions := getQuestionsFromCSV(*csvFileName)
+
+	score := 0
+	c := make(chan int)
+	go timer(*timeLimit, c)
+	for _, question := range questions {
+		go askQuestion(question, c)
+		event := <-c
+
+		if event == -1 {
+			fmt.Printf("\n\nOops! Time is up!\n Final Score: %d\n", score)
+			os.Exit(0)
+		} else {
+			score += event
+			fmt.Printf("Score: %d\n", score)
+		}
+	}
+
+}