private static void GetAndDeleteItem()
{
CSOMOperation op = SiteUrl
.Create(logger)
.SetOnlineCredentials(ClientSecrets.Username, ClientSecrets.Password)
.Execute();
op.LoadList("Documents")
.Execute();
ListItem item = op.GetItem(1);
ListItemCollection items = op.GetItems(x => x.Id, x => x.DisplayName);
}
