Solution: count words

---

examples/count-words/count_words.go

package main

import (
    "fmt"
    "strings"
)

func main() {
    var count = make(map[string]int)
    var text = "hello world how are you world and how are you"
    //fmt.Println(text)

    var words = strings.Split(text, " ")
    //fmt.Println(words)
    for _, word := range words {
        count[word]++
    }
    //fmt.Println(count)

    for k, v := range count {
        fmt.Printf("%s: %d\n", k, v)
    }

}