https://go.dev/tour/moretypes/23

go-exercise.go

package main

import (
	"golang.org/x/tour/wc"
	"strings"
)

func WordCount(s string) map[string]int {
	words := strings.Split(s, " ")
	var count int
	word_maps := make(map[string]int)
	for _, word := range words{
		el, ok := word_maps[word]
		if(ok) {
			count = el + 1 
		} else {
			count = 1
		}
		word_maps[word] = count
	}
	return word_maps
}

func main() {
	wc.Test(WordCount)
}