Exercise for reference:

Print out the last name of the second employee.

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

Answer:

print(d['employees'][1]['lastName'])

Explanation:

d['employees'] returns this list:

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

d['employees'][1] returnsthe second item of the above list:

{"firstName": "Anna", "lastName": "Smith"}

And finally d['employees'][1]['lastName'] returns the value of lastName:

Smith