tuples tuples are immutable tuple is sequence of values much like list the values stored in tuple can be any typeand they are indexed by integers the important difference is that tuples are immutable tuples are also comparable and hashable so we can sort lists of them and use tuples as key values in python dictionaries syntacticallya tuple is comma-separated list of valuest ' '' '' '' ''ealthough it is not necessaryit is common to enclose tuples in parentheses to help us quickly identify tuples when we look at python codet (' '' '' '' '' 'to create tuple with single elementyou have to include the final commat (' ',type( without the comma python treats (' 'as an expression with string in parentheses that evaluates to stringt (' 'type( another way to construct tuple is the built-in function tuple with no argumentit creates an empty tuple fun factthe word "tuplecomes from the names given to sequences of numbers of varying lengthssingledoubletriplequadruplequintuplesextupleseptupleetc