almost anything length is there’s a lot of different use cases one i used to work with a lot of customer data or patient data they had like social security numbers and if you know there was bad social security numbers we didn’t want to include that and so we do like the length of that and if a social security number was let’s say 10 numbers or 11 numbers where it should only be nine or or you know however many they are i think it’s nine then we know that that social security number is incorrect and then we can get rid of that or discard it from our results that’s just an example right um so for this oops why’d i do that i did ctrl z to undo that if you didn’t know how to do that um so we’re going to do equals len which is length and again if you didn’t see that it returns the number of characters in a text string so let’s go right here and let’s go to let’s go to their last name and we’ll give it a range so it’s going to tell us how many