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Tuples: These let you store an ordered sequence of items. They are like a variable that contains an ordered list.

• Sets: These are similar to Tuples, except they are unordered, unchangeable, and unindexed.
  • Dictionaries: These are used to store data values in "key : value" pairs. It's ordered, changeable, and doesn't allow duplicates.
    • Lists: Lists could mean many things. There are normal lists, which are an array. These are more straightforward. There are also linked lists, these are not contiguous, they utilize nodes and pointers. Beyond that, there are simple linked lists going one way, and doubly linked lists going both directions. There is also FIFO (queues) and LIFO (stacks).