framerate - number of frames per second, clock - keeps framerate consistent, tick - advances the clock one frame, timer variable - keeps track of time that has passed, duration - amount of time between two things, list - a collection of values surrounded by square brackets [ ], index - the position of an item in a list, length - number of items in a list, append - add an item onto the end of a list, remove - remove one item from a list, in - tells whether an item exists in a list, len(list) - Tells how many items are in a collection,

Timer and list

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