cheeses = ["adam", "bree", "cheddar", "gouda", "camambert"]

cheeses[::-1]

['camambert', 'gouda', 'cheddar', 'bree', 'adam']

cheeses[::2]

['adam', 'cheddar', 'camambert']

cheeses[3::]

['gouda', 'camambert']

list(range(100))[::7]

[0, 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98]

list(range(0,100, 7))

[0, 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98]

list(range(100 , 0, -7))

[100, 93, 86, 79, 72, 65, 58, 51, 44, 37, 30, 23, 16, 9, 2]