ios - How to delete cells in tableView with matching core data in swift 3? -

i have core data table named menu , have inside many items , have inside identity , show columns , have static nsmutabledictionary(allmenu) datas , want check menu items display in tableview nsmutabledictionary inside (identity) == core data menu table inside identity , show == true , "cellidentifier" == "menu" ones in allmenu data, try doesn't work codes under below.

my coredata menu table;

id string name string identity string show boolean 

my nsmutabledictionary table view menu data

allmenu = [             [                 "cellidentifier" : "menu",                 "id" : "1",                 "name" : "menu 1",                 "identity" : "m1",                 "show" : true             ],             [                 "cellidentifier" : "menu",                 "id" : "2",                 "name" : "menu 2",                 "identity" : "m2",                 "show" : false             ],             [                 "cellidentifier" : "menu",                 "id" : "3",                 "name" : "menu 3",                 "identity" : "m3",                 "show" : true             ],             [                 "cellidentifier" : "oldmenu",                 "id" : "4",                 "name" : "menu 4",                 "identity" : "m4",                 "show" : true             ],             [                 "cellidentifier" : "menu",                 "id" : "5",                 "name" : "menu 5",                 "identity" : "m5",                 "show" : true             ],             [                 "cellidentifier" : "oldmenu",                 "id" : "6",                 "name" : "menu 6",                 "identity" : "m7",                 "show" : true             ]          ] 

my codes

var getitems = 0      let fetchrequestfz                = nsfetchrequest<nsfetchrequestresult>(entityname:"menu")             {                 let ketone = try context.fetch(fetchrequestfz) as! [menu]                  getitems = getone.count                  }              catch let error nserror {                 print(error)              }                ix in 0..<getitems {              let fetchrequestf                = nsfetchrequest<nsfetchrequestresult>(entityname:"menu")             let predicatek = nspredicate (format:"identity = %@", allmenu[ix]["identity"] as! string)             fetchrequestf.predicate = predicatek              {                 let gettwo = try context.fetch(fetchrequestf) as! [menu]                  var onlygetlastones = 0                  ia in 0 ..< gettwo.count {                      onlygetlastones += 1                      if onlygetlastones <= 1 {                          if (gettwo[0].show == false){                               self.tableview.beginupdates()                              self.celldescriptors.remove(at: ia)                              self.tableview.endupdates()                           }else{                          }                      }         }         }               catch let error nserror {                 print(error)             }           }