개발은 너무해

1.var product = [String:[String]]() product = ["it":["phone","computer"],"school":["pen","note"]] product["it"]?.append("tablet") print(product) //["it": ["phone", "computer", "tablet"], "school": ["pen", "note"]] product.updateValue(["handle"], forKey: "car") print(product) //["it": ["phone", "computer", "tablet"], "car": ["handle"], "school": ["pen", "note"] 2.var product2 = [String:[String:An..