Solution: Update and delete keychain items

(upbeat music) … - [Instructor] Okay, so I hope you did great … on your last challenge, don't be sad. … There's plenty more challenges … I'm sure you can think of for yourself. … So let's go over this one. … So first I'm going to write a function … to update an item in keychain. … So I'm going to write static func updateNote. … And that's going to take a text, which is a string, … and the uuid of the item to update. … And then it's going to return a bool, … which will be the return of the call to update keychain. … So we have to code our text as usual and create our query, … but we can just copy those two items … from the store items function, so lines 97 through 102. … And I'll paste those here. … So we already have the generic password, the account, … the label, we're just going to take out the data. … We're not setting it there. … And we're going to put that into the attributes dictionary. … So on line 133, I'll say let attrs as string … any dictionary and create that … as the data that we want to update, …