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iOS Build a Simple iPhone App with Swift Creating a Data Model Creating a Data Collection

stuck on challenge 2 for data collection. the lesson used constants and functions and this is using variables.

what am I missing here? I've tried several statements but all fail.

data_collections.swift
var shoppingList = ["toothpaste","bread","eggs"] 
var cart = 

1 Answer

resolved. I was using () instead of [] around the index value. duh!