Exercise for reference:

Please add a newemployee to the dictionary.

d = {"employees":[{"firstName": "John", "lastName": "Doe"},
                {"firstName": "Anna", "lastName": "Smith"},
                {"firstName": "Peter", "lastName": "Jones"}],
"owners":[{"firstName": "Jack", "lastName": "Petter"},
          {"firstName": "Jessy", "lastName": "Petter"}]}

Answer:

d["employees"].append(dict(firstName = "Albert", lastName = "Bert"))

Explanation:

d['employees'] returns this list:

[{"firstName": "John", "lastName": "Doe"},
 {"firstName": "Anna", "lastName": "Smith"},
 {"firstName": "Peter", "lastName": "Jones"}]

Thend["employees"].append(dict(firstName = "Albert", lastName = "Bert")) appends a new item to the list. This item happens to bea new dictionary.