1package main
 2
 3import (
 4	"strings"
 5
 6	"github.com/dghubble/go-twitter/twitter"
 7)
 8
 9func analyzeSource(tweets []twitter.Tweet) map[string]int {
10	var sources = make(map[string]int)
11	for _, v := range tweets {
12		source := strings.Split(strings.Split(v.Source, ">")[1], "<")[0]
13		if _, ok := sources[source]; ok {
14			sources[source] = sources[source] + 1
15		} else {
16			sources[source] = 1
17		}
18	}
19	return (sources)
20}