first-go-programm.go

package main

import (
	"fmt"
)

func Sqrt(x float64) float64 {
	guess := float64(1)
	attempts := 20
	previous := float64(0)

	for iteration := 0; iteration < attempts; iteration++ {
		guess -= (guess*guess -x) / (2*guess)
		if previous == guess {
			return guess
		}

		previous = guess

		fmt.Println(guess)
	}
	
	return guess
}

func main() {
	fmt.Println(Sqrt(4))
}