Damian Martinez porcupie

## main.go
package main

import (
	"bufio"
	"flag"
	"fmt"
	"log"
	"os"
)

## exercise-errors.go
// https://tour.golang.org/methods/9
package main

import (
	"fmt"
	"math"
)

// new error type
type ErrorNegativeSqrt float64
	// https://tour.golang.org/methods/9
	package main

	import (
	"fmt"
	"math"
	)

	// new error type
	type ErrorNegativeSqrt float64