package main

import "sort"

func sliceContains(s []string, e string) bool {
	for _, v := range s {
		if e == v {
			return true
		}
	}

	return false
}

func sortKeys(m map[string]string) []string {
	var s []string
	for key := range m {
		s = append(s, key)
	}

	sort.Strings(s)
	return s
}