lists one more topic you'll need to understand before you can begin writing programs in earnest is the list data type and its cousinthe tuple lists and tuples can contain multiple valueswhich makes writing programs that handle large amounts of data easier and since lists themselves can contain other listsyou can use them to arrange data into hierarchical structures in this 'll discuss the basics of lists 'll also teach you about methodswhich are functions that are tied to values of certain data type then 'll briefly cover the sequence data types (liststuplesand stringsand show how they compare with each other in the next 'll introduce you to the dictionary data type