Exercise: Create a list of words from sentences

---

• Given a list of strings with words separated by spaces, create a single list of all the words.

examples/words-from-sentences-skeleton/words_from_sentences_skeleton.go

package main

import (
    "fmt"
)

func main() {
    // source:
    lines := []string{
        "grape banana mango",
        "nut orange peach",
        "apple nut banana apple mango",
    }
    fmt.Println(lines)

    // result:
    fruits := []string{"grape", "banana", "mango", "nut", "orange", "peach", "apple", "nut", "banana", "apple", "mango"}
    fmt.Println(fruits)
    for _, fruit := range fruits {
        fmt.Println(fruit)
    }
}