What happens if you try to run sum(list(user_roles.values())) where user_roles = {“alice”: “admin”, “bob”: “editor”}?

If sales_data = [{“day”: “Mon”, “amount”: 100}, {“day”: “Tue”, “amount”: 150}]. How would you sum the “amount” values using concepts covered? (Without loops).

Which expression correctly checks if the key “port” exists in the dictionary settings?

Start with d = {}. Then execute d[‘a’] = 1, d[‘b’] = 2, d[‘c’] = 3, d.pop(‘b’). What is len(d)?

Given keys = [‘a’, ‘b’, ‘c’] and values = [1, 2, 3], what does {k: v for k, v in zip(keys, values)} produce?

If data = {“item”: “Book”, “qty”: 5} and you execute data[“item”] = “Magazine”, what best describes what happened?

Although not explicitly detailed in the notes beyond basic unpacking, Python supports extended unpacking. If data = (1, 2, 3, 4, 5), what values are assigned in first, *middle, last = data?

Given names = [“alice”, “bob”, “charlie”], what does [name.upper() for name in names] produce?

Which statement accurately describes the requirements for keys in a Python dictionary?

Given fruits = [‘apple’, ‘banana’, ‘cherry’], what does {i: fruit for i, fruit in enumerate(fruits)} produce?