Sharepoint CSOM Create and update a SharePoint list

// Starting with ClientContext, the constructor requires a URL to the 
// server running SharePoint. 
ClientContext context = new ClientContext("http://SiteUrl"); 

// The SharePoint web at the URL.
Web web = context.Web; 

ListCreationInformation creationInfo = new ListCreationInformation(); 
creationInfo.Title = "My List"; 
creationInfo.TemplateType = (int)ListTemplateType.Announcements; 
List list = web.Lists.Add(creationInfo); 
list.Description = "New Description"; 

list.Update(); 
context.ExecuteQuery();