Guessing With Go. A simple guessing game made in golang.

guess.go

// Guessing With Go
// Violet Graham

// Based on guessing game created by Jack Mott (https://github.com/jackmott).
// In Games with go episode 2 (https://youtu.be/R9LPV44RLv4)

package main

import (
	"bufio"
	"fmt"
	"math/rand"
	"os"
	"time"
)

func randomI(low int, high int) int {
	return rand.Intn(high - low) + low
}

func main() {
	scanner := bufio.NewScanner(os.Stdin)
	rand.Seed(time.Now().UnixNano())

	fmt.Println("Think of a number between 1 and 100.")
	fmt.Print("Press ENTER when ready.")
	scanner.Scan()

	low := 0
	high := 100
	guess := randomI(low, high)
	tries := 0
	for {
		fmt.Println("I guess", guess)
		fmt.Println("Is that:")
		fmt.Println("(a) too low?")
		fmt.Println("(b) too high?")
		fmt.Println("(c) correct?")
		scanner.Scan()
		reply := scanner.Text()

		if reply == "a" {
			low = guess
		} else if reply == "b" {
			high = guess
		} else if reply == "c" {
			fmt.Println("It took me", tries, "tries to guess correctly.")
			fmt.Println("Thanks for playing!")
			break
		} else {
			fmt.Println("You entered,", reply, "Please try again")
		}

		tries++
		if high <= low {
			fmt.Println("You're confusing me, I give up.")
			break
		}
		guess = randomI(low, high)
	}

}