public/subjects/shoppingsummarycounter

shoppingsummarycounter

Instructions

You have a receipt from the grocery store and you want to know how many of each item you bought. Write a function that returns this summary.

Given a string count the total amount of times each item appears in it and return a summary including the item and its number of appearances as an int.

Expected function

func ShoppingSummaryCounter(str string) map[string]int {

}

Usage

Here is a possible program to test your function:

package main

import "fmt"

func main() {
    summary := "Burger Water Carrot Coffee Water Water Chips Carrot Carrot Burger Carrot Water"
    for index,element := range ShoppingSummaryCounter(summary){
        fmt.Println(index,"=>",element)
    }
}

And its output:

$ go run . | cat -e
Burger => 2$
Water => 4$
Carrot => 4$
Coffee => 1$
Chips => 1$