Cette leçon est en anglais pour le moment.
Instant lookups
To find one player's score among millions, you do not scan a list from the top. You look it up by name. Dictionaries map keys to values, and sets keep values unique.
Cette leçon est en anglais pour le moment.
To find one player's score among millions, you do not scan a list from the top. You look it up by name. Dictionaries map keys to values, and sets keep values unique.