// Get followers' user IDs
func getFollowersIDs(followerCount string, api *anaconda.TwitterApi) map[int64]bool {
params := url.Values{}
params.Set("count", followerCount)
// Get the list of IDs from the API
followerIdsAll, err := api.GetFollowersIds(params)
if err != nil {
log.Fatalf("Failed to get followers data: %s", err)
}
followerIdsTemp := followerIdsAll.Ids
// Create a map
followerIds := make(map[int64]bool)
for _, followerId := range followerIdsTemp {
followerIds[followerId] = true
}
return (followerIds)
}