Basic list access:
First item: apple
Second item: banana
Last item: date

Number list:
Third number: 30
Fifth number: 50

List properties:
First: apple
Last: date
Length: 4

Empty list length: 0
Single item list first: only

Nested lists:
First row, first col: a
First row, second col: b
Second row, first col: c
Second row, second col: d

Mixed object lists:
First item name: Item 1
First item value: 100
Second item name: Item 2
Third item value: 300

Matrix access:
Matrix[0][0]: 1
Matrix[0][2]: 3
Matrix[1][1]: 5
Matrix[1][2]: 6

List methods:
Joined items: apple, banana, cherry, date
Joined numbers: 10 + 20 + 30 + 40 + 50